An improvement in electrical measuring apparatus, more especially electricity meters,申请号GB19380028812-传众专利搜索

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发明名称	An improvement in electrical measuring apparatus, more especially electricity meters
摘要
申请公布号	GB508827(A)	申请公布日期	1939.07.06
申请号	GB19380028812	申请日期	1938.10.04
申请人	LANDIS & GYR A.-G.	发明人
分类号	G01R11/56	主分类号	G01R11/56
代理机构		代理人
主权项
地址

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