Improvements in or relating to electrical modulation arrangements suitable for use in radio and other high frequency signalling systems,申请号GB19310004460-传众专利搜索

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发明名称	Improvements in or relating to electrical modulation arrangements suitable for use in radio and other high frequency signalling systems
摘要
申请公布号	GB372414(A)	申请公布日期	1932.05.12
申请号	GB19310004460	申请日期	1931.02.12
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED;WILLIAM THEODORE DITCHAM	发明人
分类号	H03C1/20	主分类号	H03C1/20
代理机构		代理人
主权项
地址

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