Perfectionnement au chemin du son (bande sonore) des films en couleurs où l'image et le son sont portés sur la même bande et obtenus par des procédés chimiques de teinture, virage, etc.,申请号FRD815482-传众专利搜索

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发明名称	Perfectionnement au chemin du son (bande sonore) des films en couleurs où l'image et le son sont portés sur la même bande et obtenus par des procédés chimiques de teinture, virage, etc.
摘要
申请公布号	FR815482(A)	申请公布日期	1937.07.12
申请号	FRD815482	申请日期	1936.03.27
申请人	FRANCE-COLOR	发明人
分类号	G03C7/24	主分类号	G03C7/24
代理机构		代理人
主权项
地址

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