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经营范围
发明名称
ANCHOR POSITIONER
摘要
申请公布号
GB2087956(A)
申请公布日期
1982.06.03
申请号
GB19810035232
申请日期
1981.11.23
申请人
HALLIBURTON CO
发明人
分类号
E21B23/00;E21B23/02;(IPC1-7):E21B23/02
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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