Method for backing electrotype shells,申请号US19570682774-传众专利搜索

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发明名称	Method for backing electrotype shells
摘要
申请公布号	US2915797(A)	申请公布日期	1959.12.08
申请号	US19570682774	申请日期	1957.09.09
申请人	HOEHL EDWARD P	发明人	HOEHL EDWARD P.
分类号	B41C3/08	主分类号	B41C3/08
代理机构		代理人
主权项
地址

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