Improvements in and relating to prepayment electricity meters,申请号GB19300028701-传众专利搜索

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发明名称	Improvements in and relating to prepayment electricity meters
摘要
申请公布号	GB369959(A)	申请公布日期	1932.03.29
申请号	GB19300028701	申请日期	1930.09.25
申请人	FERRANTI, LIMITED;GERTRUDE RUTH ZIANI DE FERRANTI	发明人
分类号	G07F15/00	主分类号	G07F15/00
代理机构		代理人
主权项
地址

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