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Type B Vital Relays - Alstom

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LIST OF EFFECTIVE PAGES<br />

P1457, <strong>Type</strong> B <strong>Vital</strong> <strong>Relays</strong> Operation and Maintenance Manual<br />

ORIGINAL ISSUE DATE: May 1995<br />

CURRENT REVISION AND DATE: November 2007<br />

CURRENT CHANGE AND DATE: November 2007<br />

− Update Biased-Neutral Relay Test Procedure<br />

PAGE<br />

Cover<br />

Title page<br />

Preface<br />

i thru viii<br />

CHANGE OR REVISION LEVEL<br />

Nov/07<br />

Nov/07<br />

Nov/07<br />

Nov/07<br />

1–1 thru 1–16 Nov/07<br />

2–1 thru 2–50 Nov/07<br />

3–1 thru 3–16 Nov/07<br />

4–1 thru 4–22 Nov/07<br />

5–1 thru 5–10 Nov/07<br />

6–1 thru 6–28 Nov/07<br />

7–1 thru 7–68 Nov/07<br />

A–1 thru A–16 Nov/07<br />

B–1 thru B–4 Nov/07<br />

C–1 thru C–8 Nov/07<br />

P1457, Rev. Nov/07 <strong>Alstom</strong> Signaling Inc.

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