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发明名称
Einrichtung zum Ausfuehren von Arbeiten in einem Bohrloch ohne Bohrturm
摘要
申请公布号
DE1279577(B)
申请公布日期
1968.10.10
申请号
DE1965C037744
申请日期
1965.12.22
申请人
CHEVRON RESEARCH COMPANY
发明人
CROSS ROBERT V.
分类号
B65H75/34;E21B19/00;E21B19/09;E21B19/22;E21B33/072;E21B43/01
主分类号
B65H75/34
代理机构
代理人
主权项
地址
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