Improvements in the drums of gas meters,申请号GB19330019851-传众专利搜索

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发明名称	Improvements in the drums of gas meters
摘要
申请公布号	GB420457(A)	申请公布日期	1934.12.03
申请号	GB19330019851	申请日期	1933.07.13
申请人	COMPAGNIE POUR LA FABRICATION DES COMPTEURS ET MATERIEL D'USINES A GAZ	发明人
分类号	G01F3/30	主分类号	G01F3/30
代理机构		代理人
主权项
地址

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