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发明名称
WELL COMPLETION ASSEMBLY
摘要
申请公布号
GB9019248(D0)
申请公布日期
1990.10.17
申请号
GB19900019248
申请日期
1990.09.04
申请人
HALLIBURTON COMPANY
发明人
分类号
E21B34/00;E21B34/06;E21B34/14;E21B43/04
主分类号
E21B34/00
代理机构
代理人
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地址
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