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经营范围
发明名称
Utvidbar brönnforankring
摘要
申请公布号
NO941750(A)
申请公布日期
1994.11.21
申请号
NO19940001750
申请日期
1994.05.10
申请人
CAMCO INTERNATIONAL INC
发明人
LEISMER, DWAYNE D.
分类号
E21B23/01;(IPC1-7):E21B23/00
主分类号
E21B23/01
代理机构
代理人
主权项
地址
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