Device for varying the damping of a tuned oscillatory circuit without affecting the tuning,申请号US19380204596-传众专利搜索

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法人/股东/高管

发明名称	Device for varying the damping of a tuned oscillatory circuit without affecting the tuning
摘要
申请公布号	US2248470(A)	申请公布日期	1941.07.08
申请号	US19380204596	申请日期	1938.04.27
申请人	RADIO CORPORATION	发明人	SPOOR THEODORUS ANTONIUS;RINIA HERRE;YZEREN EWOUD ADRIAAN VAN
分类号	H03H5/02;H03H7/01	主分类号	H03H5/02
代理机构		代理人
主权项
地址

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