Disposition de connexion pour téléphones à prépaiement avec encaissement automatique des pièces de monnaie à la fin de la conversation,申请号FRD688476-传众专利搜索

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发明名称	Disposition de connexion pour téléphones à prépaiement avec encaissement automatique des pièces de monnaie à la fin de la conversation
摘要
申请公布号	FR688476(A)	申请公布日期	1930.08.23
申请号	FRD688476	申请日期	1930.01.20
申请人	TELEPHON-APPARAT-FABRIK, E. ZWIETUSCH & CO. G. M. B. H.	发明人
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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