Couche-support pour enregistrements sonores, munie sur une ou deux faces d'une couche réservée à l'enregistrement sonore,申请号FRD854322-传众专利搜索

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发明名称	Couche-support pour enregistrements sonores, munie sur une ou deux faces d'une couche réservée à l'enregistrement sonore
摘要
申请公布号	FR854322(A)	申请公布日期	1940.04.10
申请号	FRD854322	申请日期	1939.05.05
申请人	TEFI-APPARATEBAU DR. DANIEL K.-G.	发明人
分类号	G11B3/00;G11B25/06	主分类号	G11B3/00
代理机构		代理人
主权项
地址

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