Improvements in or relating to pressure reducing valves,申请号GB19290013740-传众专利搜索

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发明名称	Improvements in or relating to pressure reducing valves
摘要
申请公布号	GB325753(A)	申请公布日期	1930.02.27
申请号	GB19290013740	申请日期	1929.05.02
申请人	L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE	发明人
分类号	G05D16/18	主分类号	G05D16/18
代理机构		代理人
主权项
地址

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