tin-copper-graphite bearing 青铜石墨轴承
copper graphite brush 铜石墨电刷
copper graphite 铜石墨
copper-graphite alloy 铜石墨合金
copper graphite material 铜石墨材料
Copper-graphite contact 铜石墨触头材料
copper-graphite material 铜石墨材料
Nano silver-copper-graphite composites were prepared by powder metallurgy method.
采用粉末冶金方法，制备了纳米银-铜-石墨复合材料；
Ltd Electrical Alloy Company of which the main products involve tungsten-base contact material, integrated contact, silver-base contact material. SF6 breaker contact, copper-graphite contact etc.
其主导产品有：钨基触头材料、整体电触头、银基触头材料、SF 6断路器电触头、铜-石墨触头等产品。
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