Arrangement for automatic or manual selectivity or tuning control of electric oscillatory circuits,申请号GB19400003428-传众专利搜索

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法人/股东/高管

发明名称	Arrangement for automatic or manual selectivity or tuning control of electric oscillatory circuits
摘要
申请公布号	GB538630(A)	申请公布日期	1941.08.11
申请号	GB19400003428	申请日期	1940.02.23
申请人	LEON LADISLAS DE KRAMOLIN	发明人
分类号	H03G5/20;H03J7/14	主分类号	H03G5/20
代理机构		代理人
主权项
地址

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