METAL GRAPHITE GROUNDING BRUSH MAINLY COMPOSED OF SILVER AND METHOD FOR PRODUCING SAME
The metal graphite grounding brush including silver is made in slide contact with a peripheral surface of an axle and grounds the axle. The mass ratio between silver and carbonaceous components including a volatile component in the brush is silver above 30 % and up to 90 % and carbonaceous component...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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