Improvements in or relating to coin freed gas meters,申请号GB19300031771-传众专利搜索

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发明名称	Improvements in or relating to coin freed gas meters
摘要
申请公布号	GB342277(A)	申请公布日期	1931.01.23
申请号	GB19300031771	申请日期	1929.10.23
申请人	METROPOLITAN GAS METERS LIMITED;JOHN DANIEL FORSTER	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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