Improvements in valves for gas meters,申请号GB19310012613-传众专利搜索

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发明名称	Improvements in valves for gas meters
摘要
申请公布号	GB366815(A)	申请公布日期	1932.02.11
申请号	GB19310012613	申请日期	1931.04.29
申请人	VESTA APPARATE UND METALLWARENFABRIK G.M.B.H.;WERNER ARON	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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