Improvements in and relating to prepayment mechanisms for application to the supply of gas,申请号GB19390002729-传众专利搜索

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发明名称	Improvements in and relating to prepayment mechanisms for application to the supply of gas
摘要
申请公布号	GB523390(A)	申请公布日期	1940.07.12
申请号	GB19390002729	申请日期	1939.01.26
申请人	UNITED GAS INDUSTRIES LIMITED;ARTHUR CHARLES	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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