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发明名称
METHOD FOR TREATING GAS LIFT WELLS
摘要
申请公布号
US3473611(A)
申请公布日期
1969.10.21
申请号
USD3473611
申请日期
1968.10.04
申请人
JERRY K. GREGSTON
发明人
JERRY K. GREGSTON
分类号
E21B27/02;E21B33/068;E21B33/08;E21B43/12;(IPC1-7):E21B43/12
主分类号
E21B27/02
代理机构
代理人
主权项
地址
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