Improvements in or relating to alternating current measuring apparatus,申请号GB19310013555-传众专利搜索

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发明名称	Improvements in or relating to alternating current measuring apparatus
摘要
申请公布号	GB373762(A)	申请公布日期	1932.06.02
申请号	GB19310013555	申请日期	1931.05.07
申请人	CHARLES HOLT SMITH	发明人
分类号	G01R15/00	主分类号	G01R15/00
代理机构		代理人
主权项
地址

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