Improvements in or relating to photographic materials,申请号GB19310035112-传众专利搜索

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发明名称	Improvements in or relating to photographic materials
摘要
申请公布号	GB376180(A)	申请公布日期	1932.07.07
申请号	GB19310035112	申请日期	1931.12.18
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	G03C1/34	主分类号	G03C1/34
代理机构		代理人
主权项
地址

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