Method of manufacturing watch cases,申请号US19530400079-传众专利搜索

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发明名称	Method of manufacturing watch cases
摘要
申请公布号	US2736951(A)	申请公布日期	1956.03.06
申请号	US19530400079	申请日期	1953.12.23
申请人	D. E. MAKEPEACE COMPANY	发明人	DERNOOT LEO W. VAN
分类号	B21D49/00;B21D53/00;G04B37/22	主分类号	B21D49/00
代理机构		代理人
主权项
地址

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