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发明名称
Vorrichtung und Verfahren zum einfachen Verbinden von Rohren
摘要
申请公布号
DE60030489(T2)
申请公布日期
2007.01.04
申请号
DE20006030489T
申请日期
2000.07.14
申请人
WEATHERFORD/LAMB INC.
发明人
PIETRAS, BERND-GEORG;SCHULZE-BECKINGHAUSEN, JOERG-ERICH
分类号
E21B19/16
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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