Variable selectivity circuits,申请号US19370169119-传众专利搜索

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发明名称	Variable selectivity circuits
摘要
申请公布号	US2196276(A)	申请公布日期	1940.04.09
申请号	US19370169119	申请日期	1937.10.15
申请人	RADIO CORPORATION OF AMERICA	发明人	SCHENAU BERNARDUS W. VAN INGEN
分类号	H03G5/24	主分类号	H03G5/24
代理机构		代理人
主权项
地址

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