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发明名称
ACTIVITY DATA CAPTURE SYSTEM FOR A WELL SERVICE VEHICLE
摘要
申请公布号
CA2540175(A1)
申请公布日期
2005.04.14
申请号
CA20042540175
申请日期
2004.10.01
申请人
KEY ENERGY SERVICES, INC.
发明人
NEWMAN, FREDERIC M.;HERRING, PAUL
分类号
E21B7/12;E21B47/12;E21B19/00;E21B29/12;E21B41/00;E21B44/00;E21B47/00;E21B47/26;G06F;G06Q10/06
主分类号
E21B7/12
代理机构
代理人
主权项
地址
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