Process of etching,申请号US19640411603-传众专利搜索

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发明名称	Process of etching
摘要
申请公布号	US3340195(A)	申请公布日期	1967.09.05
申请号	US19640411603	申请日期	1964.11.16
申请人	PHOTO-ENGRAVERS RESEARCH, INC.	发明人	BORTH PAUL F.;MCKEONE JOSEPH E.
分类号	C23F1/42	主分类号	C23F1/42
代理机构		代理人
主权项
地址

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