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NOW...G-E SERIES -STRING SMALL TV PORTABLES WITH New 300 and 450-ma types mean Dimensions of series -string TV sets are compared by R. V. Bontecou (left), marketing manager, and L. B. Davis, general manager, G -E receiving tubes. General Electric series- string tubes make possible new small size in portable TV receivers -also meet circuit needs up through table models to console sets. Chassis shown in the illustration have 9 -, 14 -, and 21 -inch picture tubes.
TUBES MAKE POSSIBLE LOW HEAT DISSIPATION! reduced temperatures, minimum cabinet space! Series- string tubes for television were pioneered by General Electric, so that designers could match cost -saving with reliable TV performance. Over 50 G -E 600 -ma series -string types with uniform warm -up time already are available for use in larger models of television receivers. Now General Electric targets the needs of the fast -growing market for small second sets and portables with new 300 -ma and 450 -ma series -string tubes. Power requirements are lower, and less heat is generated. As a result, cabinets can be smaller and lighter than ever before. The 22 new 450 -ma types listed below, include among them a full tube complement for medium -to- small -size series - string receivers. Designers of still more compact sets -down to 8 -inch portables -will find that the 8 new 300 -ma series - string types plus a 1V2 high -voltage rectifier can be used to make up a complete television circuit. Ask for G -E series -string tube recommendations to cover your new, small sets now in the drawing -board stage! Address Tube Department, General Electric Co., Schenectady 5, N. Y. NEW G -E 450 -MA SERIES- STRING TUBES NEW G -E 300 -MA SERIES -STRING TUBES TYPE PROTOTYPE TYPE PROTOTYPE TYPE PROTOTYPE TYPE PROTOTYP 3AF4 -A 6AF4 -A 6U8 -A 6U8 6AU6 -A 6AU6 9U8 -A 6U8 4BC5 6BC5 8AU8 6AU8 6CE5 (Note 1) None 1008 (Note 2) None 4BN6 6BN6 8BH8 6BH8 6CB6 -A 6CB6 17H3 (Note 3) Nono 4BU8 6BU8 8CG7 6CG7 7A U7 7AÚ7 18A5 (Note 4) Nono 4CB6 6C136 8CM7 6CM7 58Q7 -A 68Q7 -A 8CN7 6CN7 1. Improved version of 6BC5. 5BZ7 6BZ7 9AU7 12AU7 2. Miniature triode pentode, for use in venia 6AQ5 -A 6AQ5 17AV5 -GA 6AV5 -GA deflection circuit. 6BK7 -B 6BK7 -A 17AX4 -GT 6AX4 -GT 3. Miniature damping diode. 6J6 -A 6J6 17C5 5005 4, Octal -base beam pentode. Horizontal swee 678 -A 678 17D06 6D06 tube. Progress is Our Most /m ?or /ant Product GENERAL ELECTRIC
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TELE-TECH & ELECTRONIC INDUSTRIES S
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-1081 One of the Publications Owned
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Facts and Figures Round -Up June, 1
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PROGRESS either of two other 50 -oh
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testing components with Burroughs p
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REPRESENTATIVES Mr. Bertram D. Aaro
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m perex all -glass GERMANIUM DIODES
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Electronics Around the World Contin
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2=====l: As We Go To Press... saam
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As We Go To Press .. . (Continued)
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. FIXED Composition RESISTORS In al
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As We Go To Press .. . (Continued)
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As We Go To Press (Continued) Airbo
Page 28 and 29: Atl\Iri Get on the a,Pr , rrlr^ì .
Page 30 and 31: MIT Offers Summer Program on Modern
Page 32 and 33: CAMERA PICK -UP TUBES FROM WESTINGH
Page 34 and 35: 32 For product information, use inq
Page 36 and 37: 1 CHOOSE YOUR 20 SERVO These high p
Page 38 and 39: Type ML-6A. This unit is identical
Page 40 and 41: i ru nSitron SILICON RECTIFIERS MIL
Page 42 and 43: Get an on- the -job demonstration o
Page 44 and 45: BON OFFERS MO HYPES OF 1% Here's 1%
Page 46 and 47: .... f HEREIT1F! A NEW Plug -In Tri
Page 48 and 49: Etched cathode FP plate for 85°C s
Page 50 and 51: -4-- 11 ---)(-- 11" copv.,A 41za--
Page 52 and 53: EIM 170 AC X600 Klystron covers -24
Page 54 and 55: NEW Size 8 servo combination rivals
Page 56 and 57: IF YOU USE COILS like these toroids
Page 58 and 59: UNION U Miniature Relays with the t
Page 60 and 61: Sqr2Jiex Coaxial Cal lé IS GOING P
Page 62 and 63: Precision Frequency Source... ULTRA
Page 64 and 65: BOOKS I PmenU Pending YLON CO /L FO
Page 66 and 67: WESTINGHOUSE 2 -AMP GERMANIUM POWER
Page 68 and 69: çStiiijh1hlw PRODUCTS 1-3 / "Co lo
Page 70 and 71: kes Tarzian R E C T I F E R S Selen
Page 72 and 73: B.F.Goodrich For duplicating free s
Page 74 and 75: 7Teecej 40m744- &we114 7le4va7atL I
Page 76 and 77: Design made easy with reliable RESI
Page 80 and 81: Type J dual control with line switc
Page 82 and 83: EXTENDED LIFE ELECTROLYTIC CAPACITO
Page 84 and 85: I RADARSCOPE Revealing important de
Page 86 and 87: Protecting and Packaging Electronic
Page 88 and 89: Design Of By J. E. WOODWARD, Sectio
Page 90 and 91: TI MM PULSE DELAY VT ULM PULSE WIDT
Page 92 and 93: Ì Fig. l: System installation plan
Page 94 and 95: o. -.4111111..._ '1.2 i OE BELOW FR
Page 96 and 97: Air -conditioned 28 ft. truck house
Page 98 and 99: i fGqfq 0/ 100 NOE TUBES5 NO.OF OF
Page 100 and 101: \- SECONDARY ELECTRONS GUN ENLARGED
Page 102 and 103: fin Air Cooling A By DR. M. MARK Fi
Page 104 and 105: . -. ' _ 220° 210° 200 190° 170
Page 106 and 107: I Vo AC MILLI- VOLTMETER The maximu
Page 108 and 109: Fig. 1: Linear and circular instrum
Page 110 and 111: CONTROL VOLTAGE SI BAND SWITCH Inge
Page 112 and 113: MIRROR MOTOR , SCREEN TARGET SPOTS
Page 114 and 115: CUES for BROADCASTERS Practical way
Page 116 and 117: , Designed with the future 0 ° S C
Page 118 and 119: REOy NGLER Beamed at the Greatest R
Page 120 and 121: New Technical Products BATTERY CLIP
Page 122 and 123: New Technical Products S -BAND LOAD
Page 124 and 125: New Tubes & Semiconductors SILICON
Page 126 and 127: New Avionic Products TELEMETRY RECE
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New Broadcast Equipment AMPLIFI ERS
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1/2 actual size ji HUGHES TRANSISTO
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'ono/ ELECTRONIC SOURCES Investigat
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International ELECTRONIC SOURCES Pr
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permeability is defined. Temperatur
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International ELECTRONIC SOURCES Th
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International ELECTRONIC SOURCES re
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nal ELECTRONIC SOUR ES the emission
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HERE ARE THE FACTS ABOUT TV MICROWA
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WASHINGTON eetem Latest Radio and C
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the portable recorder you specified
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ELECTRONIC Test Instruments 9 TUBE
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cnor MAN "XC" Plastic Film Dielectr
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IS RIGHT "NEXT DOOR" IN TERMS OF SE
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WIDE -BAND POWER OSCILLATOR 200 to
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NEW FROM ASCOP LOW LEVEL PW MULTICO
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ffi NEW Printed Circuit Precision R
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Amplifier Design (Continued from pa
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HE PROVED IT FOR HIMSELF! The new P
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Albert Lazoni recently joined the D
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1 1 DATA SOURCES Bil meti tsatäìr
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Be sure of dependable electrical pr
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DON'T DERATE DELIVERY DATES FOR CLO
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Here it is -the 1&/udc« Dat& on SI
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_ PROJECT: QUALITY CONTROL TARGET:
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Um OALOHM... ntiltiatune gut nw. Yo
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1 A. Finned Magnetron (Continued fr
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ASDE Radar (Continued from page 87)
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TWICE THE SPEED WITH DOUBLE LEAD SC
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for GUIDED MISSILES Encapsulated mu
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Regulation in less than '/so th cyc
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Color TV G/L/LI /L RADIO ® VACUUM
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What are YOUR paper tube reO requir
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F A Optical Radar EIMAC Vacuum Swit
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STANDARD True Hermetic Sealing assu
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Direction Finders (Continued from p
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41611 DETERMINATION fleWiO//?pi of
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Direction Finders (Continued from p
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Here's the fastest way to produce f
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i Mobile Unit (Continued from page
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PROBLEM #3 Design a miniaturized 40
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FREED OFFERS FOR IMMEDIATE DELIVERY
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PRODUCT INFORMATION? Use the cards
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It would take over 500 listings in
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Product Section & Code No. Cable, o
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Product Section & Code No. Meters,
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1956 ELECTRONIC INDUSTRIES DIRECTOR
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2- AMPLIFIERS, RF -IF Amplifiers, a
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General Riveters Inc Electro Mechan
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Coleman Instruments 318 Madison St
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Superex Electronics Corp 4 Radford
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Mattson Electronics Corp 1487 Linco
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Instrument Labs 315 W Walton PI Chi
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11- CAPACITORS, Fixed Capacitors, a
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Chicago Tool & Eng'g Co 8383 S Chic
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Mount Sopris Instrument Corp 1320 P
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Daystrom Pacific Corp 3030 Nebraska
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Hudson Associates 50 Drumm St San F
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Tech Labs Inc Bergen & Edsall Blvd
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20- CONTROL EQUIPMENT, COMMUNICATIO
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Gyro Electronics Oo 325 Canal St Ne
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Fretco Inc 406 N Craig St Pittsburg
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Austin O Div of Decalmakers 225 Fla
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26- HEADPHONES Headphones, crystal
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Rust Industrial Co 41 E 42 St New Y
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Acme Wire Co 1250 Dixwell Ave New H
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Eberline Instrument Div Reynolds El
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Sonex Inc 245 Sansom St Upper Darby
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Synchroscopes 43 Thermocouples 44 T
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Librascope Inc 808 Western Ave Glen
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Sensitive Research Instrument Corp
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New London Instrument Co 82 Union S
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44- MICROPHONE ACCESSORIES Micropho
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Continental Electronics 302 Oakland
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Dalmo Victor Co Div Textron America
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Electronic Specialty Co 5121 San Fe
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Morrow Radio Mfg Co 2794 Market St
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Valpey Crystal Corp Holliston Mass
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Olympic Radio & TV Inc 34-01 38 Ave
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Raytheon Mfg Co Equip Marketing Div
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59- RECORDING ACCESSORIES Discs, bl
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Delco Radio Div General Motors 700
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Sage Electronics Corp 302 N Goodman
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65 -SOUND REPRODUCING EQUIPMENT, MA
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Jensen Mfg Co 6601 S Laramie Ave Ch
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Racks equipment 30 Racks, film stor
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Aerovox Corp & Divisions 740 Bellev
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Electronic Products Co 111 E 3 St M
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Midwest Electric Products Mankato M
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Hertner Electric Co 12690 Elmwood A
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Linde Air Products Co Div Union Car
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Guardian Electric Mfg Co 1621 W Wal
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Cranephone -Femco Inc. Crest Lab -M
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BRAND and TRADE NAME INDEX Polyken-
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CONSULTING ENGINEERS ELECTRONIC IND
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DISTRIBUTORS SERVING the ELECTRONIC
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REPRESENTATIVES ( "REPS ") ELECTRON
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REPRESENTATIVES ( "REPS'') DAN GREE
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REPRESENTATIVES ( "REPS") *Brauer &
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1 -7770 -5067 -4692 ALPHABETICAL LI
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-1677 -2291 -5127 -2626 ALPHABETICA
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-3130 Williams ALPHABETICAL LISTING
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-7765 1 -6174 ALPHABETICAL LISTING
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ALPHABETICAL LISTING of MANUFACTURE
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-1060 ALPHABETICAL LISTING of MANUF
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-2700 -8454 -C I-Leo ALPHABETICAL L
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000 Directory -Localizer Index Unit
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THE H. CROSS CO. ROLLING TECHNIQUE
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BIRNBACH can supply ... Single -Gun
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high 0 MICROWAVE SPECIFICATION IS I
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WE MAKE THE KIND OF TRANSFORMERS YO
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ä EXTENDED FREQUENCY RANGE with th
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plastic molding INJECTION 20 machin
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Nom! A LOW COST BRIGHT RHODIUM PLAT
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PRECISION ENGRAVING on Metal- Plast
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1199 IRE (LOT d IMAM pIEt ..e.. u..
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IMPEDANCE COMPARATOR FOR LABORATORY
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ADVERTISERS in JUNE Tele -Tech ACME
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ELECTRICAL WIRING DEVICES Designed
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RCA Field Enginee RCA Application E
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