Process of hardening copper alloys,申请号US19370175673-传众专利搜索

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发明名称	Process of hardening copper alloys
摘要
申请公布号	US2198719(A)	申请公布日期	1940.04.30
申请号	US19370175673	申请日期	1937.11.20
申请人	COLEMAN CLAUDE H	发明人	COLEMAN CLAUDE H.
分类号	C21D1/44;C22C9/04;C22F1/08	主分类号	C21D1/44
代理机构		代理人
主权项
地址

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