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发明名称
Geothermal well apparatus and eccentric hanger spool therefor
摘要
申请公布号
US5203409(A)
申请公布日期
1993.04.20
申请号
US19920826087
申请日期
1992.01.27
申请人
COOPER INDUSTRIES, INC.
发明人
SEID, G. RAY;WILSON, JOE E.;WILLIAMS, JR., JOHN B.
分类号
E21B40/00;E21B33/03;E21B33/04
主分类号
E21B40/00
代理机构
代理人
主权项
地址
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