Improvements in photographic developers,申请号GB19350019957-传众专利搜索

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发明名称	Improvements in photographic developers
摘要
申请公布号	GB459665(A)	申请公布日期	1937.01.12
申请号	GB19350019957	申请日期	1935.07.12
申请人	I.G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	G03C5/30	主分类号	G03C5/30
代理机构		代理人
主权项
地址

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