Improvements in and relating to alternating electric current measurement devices,申请号GB19290024155-传众专利搜索

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发明名称	Improvements in and relating to alternating electric current measurement devices
摘要
申请公布号	GB339661(A)	申请公布日期	1930.12.08
申请号	GB19290024155	申请日期	1929.08.07
申请人	FERRANTI, LIMITED;WILFRED HOLMES	发明人
分类号	H01F38/28	主分类号	H01F38/28
代理机构		代理人
主权项
地址

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