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发明名称
SUCKER ROD GUIDE
摘要
A sucker rod guide having a resilient body and a spring clip embedded in the body for exerting a clamping force on the sucker rod on which the guide is mounted.
申请公布号
US3650579(A)
申请公布日期
1972.03.21
申请号
USD3650579
申请日期
1970.07.14
申请人
DONALD E. SABLE
发明人
DONALD E. SABLE
分类号
E21B17/10;F04B53/14;F16L7/00;(IPC1-7):F16C29/00
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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