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发明名称
Anordning og fremgangsmate for a overvake tilstanden av et filter i et fluidbronnsystem
摘要
申请公布号
NO325227(B1)
申请公布日期
2008.03.03
申请号
NO20020004581
申请日期
2002.09.24
申请人
VETCO GRAY CONTROLS LTD
发明人
DOUGLAS IRWIN NEIL
分类号
E21B43/02;E21B43/04;E21B47/06;E21B47/10;E21B47/12
主分类号
E21B43/02
代理机构
代理人
主权项
地址
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