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发明名称
ROD GUIDE ASSEMBLY AND METHOD OF ITS INSTALLATION ON A ROD SHANK
摘要
A rod guide assembly having a mount moulded on the rod guide shank and a centralizer rotatably mounted on the mount and the method of installing the assembly on a rod guide shank.
申请公布号
CA2067306(C)
申请公布日期
1997.06.24
申请号
CA19922067306
申请日期
1992.04.27
申请人
SABLE, DONALD E.;SABLE, DONALD E., II
发明人
SABLE, DONALD E.;SABLE, DONALD E., II
分类号
E21B17/10;(IPC1-7):E21B17/10;E21B19/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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