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机械用炭材料及制品
Carbon material and carbon products for mechanical engineering
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无轨电车用炭滑块
Carbon current collector for trolley bus
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高纯石墨
High purity graphite
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电机用电刷尺寸与结构型式
Brush size and structure form for electrical machine
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炭弧气刨炭棒 物理及使用性能试验方法
Test method for physical-operational performance of air-arc gouging carbon electrodes
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电影放映炭棒
Cinema carbons
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炭石墨.产品分类及型号编制方法
Classification and type arrangement method of carbon-graphite products
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青铜石墨含油轴承
Oily bronze graphite bearing
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