Etching composition for lithographic plates,申请号US19500197166-传众专利搜索

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发明名称	Etching composition for lithographic plates
摘要
申请公布号	US2687345(A)	申请公布日期	1954.08.24
申请号	US19500197166	申请日期	1950.11.22
申请人	PRINTING DEVELOPMENTS, INC.	发明人	MURRAY MARGARET H.
分类号	C23F1/26	主分类号	C23F1/26
代理机构		代理人
主权项
地址

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