Perfectionnements apportés aux procédés pour l'enregistrement et la reproduction,en synchronisme, d'images et. de sons,申请号FRD703102-传众专利搜索

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发明名称	Perfectionnements apportés aux procédés pour l'enregistrement et la reproduction,en synchronisme, d'images et. de sons
摘要
申请公布号	FR703102(A)	申请公布日期	1931.04.25
申请号	FRD703102	申请日期	1930.10.02
申请人	N. V. KUCHENMEISTER'S INTERNATIONALE MAATSCHAPPIJ VOOR SPREKENDE FILMS, AMSTERDAM-BERLIN	发明人	EHRENHAFT FRANZ
分类号	G03B31/00	主分类号	G03B31/00
代理机构		代理人
主权项
地址

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