Communication system having level control means for repeaters connected along a transmission cable,申请号US19650431642-传众专利搜索

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发明名称	Communication system having level control means for repeaters connected along a transmission cable
摘要
申请公布号	US3414688(A)	申请公布日期	1968.12.03
申请号	US19650431642	申请日期	1965.02.10
申请人	NORTH AMERICAN PHILIPS COMPANY, INC.	发明人	HERMES WILLEM;LANSU JOSEPH FREDERICK;VERHAGEN JAN
分类号	H04B3/10	主分类号	H04B3/10
代理机构		代理人
主权项
地址

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