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经营范围
发明名称
HERRAMIENTA DE POZO
摘要
申请公布号
AR230475(A1)
申请公布日期
1984.04.30
申请号
AR19810285771
申请日期
1981.06.18
申请人
HALLIBURTON COMPANY
发明人
分类号
E21B33/127;E21B33/14;E21B33/16;E21B34/14;(IPC1-7):E21B33/12
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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