Improvements connected with valves for gas meters,申请号GB19320000827-传众专利搜索

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发明名称	Improvements connected with valves for gas meters
摘要
申请公布号	GB392279(A)	申请公布日期	1933.05.18
申请号	GB19320000827	申请日期	1932.01.12
申请人	RINGSDORFF WERKE A.G.	发明人
分类号	G01F15/00	主分类号	G01F15/00
代理机构		代理人
主权项
地址

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