Improvements in or relating to circuits for amplifying electrical oscillations,申请号GB19460019086-传众专利搜索

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发明名称	Improvements in or relating to circuits for amplifying electrical oscillations
摘要
申请公布号	GB620848(A)	申请公布日期	1949.03.31
申请号	GB19460019086	申请日期	1946.06.26
申请人	PHILIPS LAMPS LIMITED	发明人
分类号	H01J21/20;H03G1/00	主分类号	H01J21/20
代理机构		代理人
主权项
地址

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