Improvements in or relating to wire-wound variable electric impedance devices havinga continuously variable tapping,申请号GB19520009803-传众专利搜索

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发明名称	Improvements in or relating to wire-wound variable electric impedance devices havinga continuously variable tapping
摘要
申请公布号	GB697381(A)	申请公布日期	1953.09.23
申请号	GB19520009803	申请日期	1952.04.18
申请人	PHILIPS ELECTRICAL INDUSTRIES LIMITED	发明人
分类号	H01F21/00	主分类号	H01F21/00
代理机构		代理人
主权项
地址

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