Improvements relating to gas meters,申请号GB19380014790-传众专利搜索

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发明名称	Improvements relating to gas meters
摘要
申请公布号	GB514956(A)	申请公布日期	1939.11.22
申请号	GB19380014790	申请日期	1938.05.18
申请人	VANDA ENGINEERS LIMITED;JIM DERBYSHIRE;WALTER EDWARD FISHWICK	发明人
分类号	G01F3/22	主分类号	G01F3/22
代理机构		代理人
主权项
地址

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