Typographic negative film,申请号US19510234980-传众专利搜索

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发明名称	Typographic negative film
摘要
申请公布号	US2781598(A)	申请公布日期	1957.02.19
申请号	US19510234980	申请日期	1951.07.03
申请人	MERGENTHALER LINOTYPE COMPANY	发明人	PLASTARAS JAMES C.
分类号	G03F1/90	主分类号	G03F1/90
代理机构		代理人
主权项
地址

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