Method of making a pattern record,申请号US19310561142-传众专利搜索

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发明名称	Method of making a pattern record
摘要
申请公布号	US2016416(A)	申请公布日期	1935.10.08
申请号	US19310561142	申请日期	1931.09.04
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人	DIPPEL CORNELIUS S.
分类号	B44F9/02	主分类号	B44F9/02
代理机构		代理人
主权项
地址

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