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经营范围
发明名称
UNIVERSALER ZEMENTIERSTOPFEN
摘要
申请公布号
DE69912830(T2)
申请公布日期
2004.07.29
申请号
DE19996012830T
申请日期
1999.09.23
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
TREECE, O.
分类号
E21B33/05;E21B33/16;(IPC1-7):E21B33/16
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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