Method of manufacturing metal discs,申请号US19620184353-传众专利搜索

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发明名称	Method of manufacturing metal discs
摘要
申请公布号	US3220285(A)	申请公布日期	1965.11.30
申请号	US19620184353	申请日期	1962.04.02
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	JANSEN HEINZ
分类号	B21K1/32	主分类号	B21K1/32
代理机构		代理人
主权项
地址

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