Method of backing electrotype plates,申请号US19300494917-传众专利搜索

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发明名称	Method of backing electrotype plates
摘要
申请公布号	US1943526(A)	申请公布日期	1934.01.16
申请号	US19300494917	申请日期	1930.11.11
申请人	ROYAL ELECTROTYPE COMPANY	发明人	HAINES RUSH T.
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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