Improvements relating to frequency discriminating electrical apparatus,申请号GB19420011414-传众专利搜索

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发明名称	Improvements relating to frequency discriminating electrical apparatus
摘要
申请公布号	GB558482(A)	申请公布日期	1944.01.06
申请号	GB19420011414	申请日期	1942.08.14
申请人	LOUIS STERLING	发明人
分类号	H03D3/22;H03J7/04	主分类号	H03D3/22
代理机构		代理人
主权项
地址

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