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发明名称
THERMAL WELL LINER REMOVAL METHOD AND APPARATUS
摘要
申请公布号
US3565177(A)
申请公布日期
1971.02.23
申请号
USD3565177
申请日期
1969.04.02
申请人
CHEVRON RESEARCH CO.
发明人
STANLEY O. HUTCHISON
分类号
E21B43/10;E21B31/00;E21B31/20;E21B36/00;E21B37/00;(IPC1-7):E21B31/02;E21B41/00
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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