Improvements in or relating to radio and television receivers electrically reproducing gramophones and the like thermionic valve reproducing apparatus,申请号GB19490017117-传众专利搜索

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发明名称	Improvements in or relating to radio and television receivers electrically reproducing gramophones and the like thermionic valve reproducing apparatus
摘要
申请公布号	GB660433(A)	申请公布日期	1951.11.07
申请号	GB19490017117	申请日期	1949.06.28
申请人	MARCONI'S WIRELESS TELEGRAPH COMPANY LIMITED	发明人	FEWINGS DAVID JOHN
分类号	H02M1/10	主分类号	H02M1/10
代理机构		代理人
主权项
地址

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