Système de télécommunication sur câbles à basses fréquences et fréquences porteuses,申请号FRD901715-传众专利搜索

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发明名称	Système de télécommunication sur câbles à basses fréquences et fréquences porteuses
摘要
申请公布号	FR901715(A)	申请公布日期	1945.08.03
申请号	FRD901715	申请日期	1944.02.02
申请人	DEUTSCHE FERNKABEL-GESELLSCHAFT M.B.H.	发明人
分类号	H01B11/00	主分类号	H01B11/00
代理机构		代理人
主权项
地址

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