CARRIER-WAVE MULTIPLEX TELEPHONE SYSTEMS,申请号IE19510000528-传众专利搜索

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发明名称	CARRIER-WAVE MULTIPLEX TELEPHONE SYSTEMS
摘要
申请公布号	IE21316(L)	申请公布日期	1952.03.28
申请号	IE19510000528	申请日期	1951.09.28
申请人	N.V. PHILIPS GLOEILAMPENFABRIEKEN	发明人
分类号	H04J1/14;(IPC1-7):H04J1/14	主分类号	H04J1/14
代理机构		代理人
主权项
地址

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