Dispositif de synchronisation de l'appareil de projection et du phonographe, en vue de l'utilisation des films sonores,申请号FRD695041-传众专利搜索

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发明名称	Dispositif de synchronisation de l'appareil de projection et du phonographe, en vue de l'utilisation des films sonores
摘要
申请公布号	FR695041(A)	申请公布日期	1930.12.10
申请号	FRD695041	申请日期	1929.08.08
申请人		发明人	HUGUENARD EUGENE-ALEXANDRE
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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