Improvements in or relating to multi-channel or multiplex high frequency signalling systems,申请号GB19300013200-传众专利搜索

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发明名称	Improvements in or relating to multi-channel or multiplex high frequency signalling systems
摘要
申请公布号	GB353906(A)	申请公布日期	1931.07.29
申请号	GB19300013200	申请日期	1930.04.29
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;GASTON ADELIN MATHIEU;OWEN STANDIDGE PUCKLE	发明人
分类号	H03B5/30;H04J1/00	主分类号	H03B5/30
代理机构		代理人
主权项
地址

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