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发明名称
Drill stem testing device
摘要
申请公布号
US3059695(A)
申请公布日期
1962.10.23
申请号
US19600013390
申请日期
1960.03.07
申请人
JERSEY PRODUCTION RESEARCH COMPANY
发明人
BARRY ADELBERT;MOUNCE WHITMAN D.
分类号
E21B33/127;E21B37/10;E21B49/08
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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