Resonant cavity tuning device,申请号GB19450033902-传众专利搜索

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发明名称	Resonant cavity tuning device
摘要
申请公布号	GB617421(A)	申请公布日期	1949.02.07
申请号	GB19450033902	申请日期	1945.12.14
申请人	PHILCO RADIO AND TELEVISION CORPORATION	发明人
分类号	H01J25/24;H01P7/06	主分类号	H01J25/24
代理机构		代理人
主权项
地址

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