Improvements in or relating to prepayment gas meters,申请号GB19380004152-传众专利搜索

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发明名称	Improvements in or relating to prepayment gas meters
摘要
申请公布号	GB509625(A)	申请公布日期	1939.07.19
申请号	GB19380004152	申请日期	1938.02.10
申请人	GEORGE WILSON GAS METERS LIMITED;JAMES HENRY WILSON;DONALD CHARLES EDWARD POOLE	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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