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Superfine hard-alloy tool used in precision machining, has nanometer composite film provided on surface of base material containing tungsten carbide-cobalt alloy. 专利
申请日期: 2010-01-01, 公开日期: 2010-07-28
作者:  LIN G LI H
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Copper plate surface modified tungsten carbide-copper alloy layer for continuous casting crystallizer and non-ferrous metal has predetermined amount of tungsten carbide, copper, nickel, silver and cobalt. 专利
申请日期: 2010-01-01, 公开日期: 2010-03-17
作者:  HUANG W MA H WANG L YANG P
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/24


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