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发明名称
Turbinenbohrgeraet
摘要
申请公布号
DE1086641(B)
申请公布日期
1960.08.11
申请号
DE1959E017234
申请日期
1959.02.28
申请人
EASTMAN OIL WELL SURVEY COMPANY
发明人
GARRISON MARION A.
分类号
E21B4/02
主分类号
E21B4/02
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