Light-sensitive bipack film for four-color photography,申请号US19470793723-传众专利搜索

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发明名称	Light-sensitive bipack film for four-color photography
摘要
申请公布号	US2492953(A)	申请公布日期	1950.01.03
申请号	US19470793723	申请日期	1947.12.24
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	BALL JOSEPH ARTHUR;JENNINGS ANDREW BRADSHAW;MURRAY OTIS WILLARD
分类号	G03C7/04;G03C7/20	主分类号	G03C7/04
代理机构		代理人
主权项
地址

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