Improvements in carrier-wave telegraphy,申请号GB19540015735-传众专利搜索

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发明名称	Improvements in carrier-wave telegraphy
摘要
申请公布号	GB746726(A)	申请公布日期	1956.03.21
申请号	GB19540015735	申请日期	1954.05.27
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H04B1/66;H04J1/06;H04L5/06	主分类号	H04B1/66
代理机构		代理人
主权项
地址

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