Hydrophilic colloid colour-formers and photographic elements containing the same,申请号GB19450007370-传众专利搜索

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发明名称	Hydrophilic colloid colour-formers and photographic elements containing the same
摘要
申请公布号	GB598475(A)	申请公布日期	1948.02.19
申请号	GB19450007370	申请日期	1945.03.23
申请人	E. I. DUPONT DE NEMOURS & COMPANY	发明人
分类号	G03C7/327	主分类号	G03C7/327
代理机构		代理人
主权项
地址

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