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发明名称
METHOD OF TREATING SUCKER ROD
摘要
申请公布号
US4045591(A)
申请公布日期
1977.08.30
申请号
US19760682380
申请日期
1976.05.03
申请人
RODCO, INC.
发明人
PAYNE, BOBBY L.
分类号
E21B17/00;E21B19/15;E21B41/02;F04B53/14;(IPC1-7):E21B17/00;C23C7/00
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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