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经营范围
发明名称
SUBTERRANEAN WELL ANCHORING APPARATUS
摘要
申请公布号
GB9001518(D0)
申请公布日期
1990.03.21
申请号
GB19900001518
申请日期
1990.01.23
申请人
BAKER HUGHES INCORPORATED
发明人
分类号
E21B23/01;E21B33/12;E21B33/129
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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