Perfectionnements aux procédés au charbon et procédés analogues employés dans la photographie des couleurs,申请号FRD722405-传众专利搜索

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发明名称	Perfectionnements aux procédés au charbon et procédés analogues employés dans la photographie des couleurs
摘要
申请公布号	FR722405(A)	申请公布日期	1932.03.16
申请号	FRD722405	申请日期	1931.09.02
申请人	COLOUR PHOTOGRAPHS (BRITISH AND FOREIGN) LIMITED	发明人
分类号	G03C7/46	主分类号	G03C7/46
代理机构		代理人
主权项
地址

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