Improvements in or relating to superheterodyne receiving circuits,申请号GB19460027540-传众专利搜索

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发明名称	Improvements in or relating to superheterodyne receiving circuits
摘要
申请公布号	GB618544(A)	申请公布日期	1949.02.23
申请号	GB19460027540	申请日期	1946.09.13
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H03D7/18	主分类号	H03D7/18
代理机构		代理人
主权项
地址

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