Improvements in and relating to photographic developers,申请号GB19390026200-传众专利搜索

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发明名称	Improvements in and relating to photographic developers
摘要
申请公布号	GB535021(A)	申请公布日期	1941.03.26
申请号	GB19390026200	申请日期	1939.09.19
申请人	HARRIS-SEYBOLD-POTTER COMPANY	发明人
分类号	G03C5/305	主分类号	G03C5/305
代理机构		代理人
主权项
地址

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