Nouveau procédé d'enregistrement sonore, films et autres supports de phonogrammes obtenus par ce procédé et dispositifs pour son application,申请号FRD814924-传众专利搜索

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发明名称	Nouveau procédé d'enregistrement sonore, films et autres supports de phonogrammes obtenus par ce procédé et dispositifs pour son application
摘要
申请公布号	FR814924(A)	申请公布日期	1937.07.02
申请号	FRD814924	申请日期	1936.03.11
申请人		发明人	BILLON MARCEL-MARIE-MAURICE
分类号	G03C5/14	主分类号	G03C5/14
代理机构		代理人
主权项
地址

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