Improvements in devices for measuring alternating current impedances,申请号GB19490028940-传众专利搜索

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发明名称	Improvements in devices for measuring alternating current impedances
摘要
申请公布号	GB701966(A)	申请公布日期	1954.01.06
申请号	GB19490028940	申请日期	1949.11.11
申请人	IGRANIC ELECTRIC COMPANY LIMITED;JOHN ALFRED FIELD	发明人
分类号	G01R27/02	主分类号	G01R27/02
代理机构		代理人
主权项
地址

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