Improvements in and relating to frequency changes for radio receivers,申请号GB19490030626-传众专利搜索

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发明名称	Improvements in and relating to frequency changes for radio receivers
摘要
申请公布号	GB729111(A)	申请公布日期	1955.05.04
申请号	GB19490030626	申请日期	1949.11.29
申请人	BRITISH COMMUNICATIONS CORPORATION LIMITED;TADEUSZ STEFAN HEFTMAN	发明人
分类号	H03D7/10	主分类号	H03D7/10
代理机构		代理人
主权项
地址

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