Improvements in or relating to modulation systems,申请号GB19380037999-传众专利搜索

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发明名称	Improvements in or relating to modulation systems
摘要
申请公布号	GB523353(A)	申请公布日期	1940.07.12
申请号	GB19380037999	申请日期	1938.12.31
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY, LIMITED	发明人
分类号	H03C7/02;H04N5/40	主分类号	H03C7/02
代理机构		代理人
主权项
地址

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