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发明名称
CASING CENTRALISER
摘要
申请公布号
CA2509062(C)
申请公布日期
2008.10.21
申请号
CA19952509062
申请日期
1995.03.13
申请人
DOWNHOLE PRODUCTS PLC
发明人
CLARK, ALISTAIR BERTRAM;KIRK, IAN ALISTAIR;BARRON, WILLIAM
分类号
E21B17/10
主分类号
E21B17/10
代理机构
代理人
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地址
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