Improvements in and relating to prepayment meters,申请号GB19290033665-传众专利搜索

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发明名称	Improvements in and relating to prepayment meters
摘要
申请公布号	GB342008(A)	申请公布日期	1931.01.29
申请号	GB19290033665	申请日期	1929.11.05
申请人	RICHARD WARD JOLLY;FRANK BENTLEY;BRITISH ELECTRIC METERS, LIMITED	发明人
分类号	G07F15/02	主分类号	G07F15/02
代理机构		代理人
主权项
地址

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