Improvements in or relating to superheterodyne receivers,申请号GB19380006891-传众专利搜索

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发明名称	Improvements in or relating to superheterodyne receivers
摘要
申请公布号	GB512253(A)	申请公布日期	1939.08.31
申请号	GB19380006891	申请日期	1938.03.04
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED;JOHN FORREST RAMSAY;ARTHUR LEONARD OLIVER	发明人
分类号	H03J7/04	主分类号	H03J7/04
代理机构		代理人
主权项
地址

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