Machining steels,申请号US19410408493-传众专利搜索

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发明名称	Machining steels
摘要
申请公布号	US2388214(A)	申请公布日期	1945.10.30
申请号	US19410408493	申请日期	1941.08.27
申请人	BETHLEHEM STEEL COMPANY	发明人	MURPHY DONALD WILLIAM
分类号	C22C38/00;C22C38/60	主分类号	C22C38/00
代理机构		代理人
主权项
地址

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