Color-forming photographic compositions and processes,申请号US19380242112-传众专利搜索

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发明名称	Color-forming photographic compositions and processes
摘要
申请公布号	US2182815(A)	申请公布日期	1939.12.12
申请号	US19380242112	申请日期	1938.11.23
申请人	DU PONT FILM MANUFACTURING CORPORATION	发明人	MIDDLETON EDMUND B.;JENNINGS ANDREW B.
分类号	G03C7/36	主分类号	G03C7/36
代理机构		代理人
主权项
地址

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