D - Laboratory of Construction Materials LMC
D - Laboratory of Construction Materials LMC
D - Laboratory of Construction Materials LMC
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Bille de diamètre D<br />
en acier trempé<br />
Dureté min<br />
6 kN/mm 2<br />
Pyramide régulière<br />
à base carré<br />
Angle entre 2 faces<br />
opposées: 136°<br />
Rockwell<br />
Cone en diamant<br />
Angle au<br />
sommet: 120°