Improvements in photographic bleaching-out layers,申请号GB19330020605-传众专利搜索

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发明名称	Improvements in photographic bleaching-out layers
摘要
申请公布号	GB406917(A)	申请公布日期	1934.03.08
申请号	GB19330020605	申请日期	1933.07.21
申请人	I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT	发明人
分类号	G03C7/02	主分类号	G03C7/02
代理机构		代理人
主权项
地址

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