Procédé et dispositif pour relever les matrices des rubans d'enregistrement sonore gravés mécaniquement,申请号FRD872243-传众专利搜索

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发明名称	Procédé et dispositif pour relever les matrices des rubans d'enregistrement sonore gravés mécaniquement
摘要
申请公布号	FR872243(A)	申请公布日期	1942.06.02
申请号	FRD872243	申请日期	1941.05.16
申请人	TEFI-APPARATEBAU DR. DANIEL K.-G.	发明人
分类号	G11B3/70	主分类号	G11B3/70
代理机构		代理人
主权项
地址

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