A method and apparatus for calibrating gas meters,申请号GB19330001827-传众专利搜索

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发明名称	A method and apparatus for calibrating gas meters
摘要
申请公布号	GB402954(A)	申请公布日期	1933.12.14
申请号	GB19330001827	申请日期	1933.01.19
申请人	COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ	发明人
分类号	G01F25/00	主分类号	G01F25/00
代理机构		代理人
主权项
地址

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