Appareillage pour l'enregistrement mécanique des sons sur bande souple,申请号FRD829966-传众专利搜索

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发明名称	Appareillage pour l'enregistrement mécanique des sons sur bande souple
摘要
申请公布号	FR829966(A)	申请公布日期	1938.07.18
申请号	FRD829966	申请日期	1937.03.13
申请人		发明人	BECOGNEE JULIEN
分类号	G11B3/00	主分类号	G11B3/00
代理机构		代理人
主权项
地址

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