Hardening photographic gelatin and emulsion layers,申请号US19380197684-传众专利搜索

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发明名称	Hardening photographic gelatin and emulsion layers
摘要
申请公布号	US2172300(A)	申请公布日期	1939.09.05
申请号	US19380197684	申请日期	1938.03.23
申请人	EASTMAN KODAK COMPANY	发明人	STAUD CYRIL J.;KEYES GRAFTON H.
分类号	G03C1/30	主分类号	G03C1/30
代理机构		代理人
主权项
地址

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