Systèmes d'enregistrement automatique de messages téléphoniques ou analogues,申请号FRD939459-传众专利搜索

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发明名称	Systèmes d'enregistrement automatique de messages téléphoniques ou analogues
摘要
申请公布号	FR939459(A)	申请公布日期	1948.11.16
申请号	FRD939459	申请日期	1946.12.27
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	WRIGHT ESMOND PHILIP GOODWIN
分类号	H04M1/65;H04M15/04	主分类号	H04M1/65
代理机构		代理人
主权项
地址

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