HARD METAL ALLOY,申请号CAD345388-传众专利搜索

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发明名称	HARD METAL ALLOY
摘要
申请公布号	CA345388(A)	申请公布日期	1934.10.16
申请号	CAD345388	申请日期
申请人	JOHNSON MATTHEY AND COMPANY LIMITED	发明人	ALAN RICHARD POWELL;ERNEST ROBERT BOX
分类号		主分类号
代理机构		代理人
主权项
地址

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