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发明名称
ROHRHANDHABUNGSVORRICHTUNG UND SICHERHEITSMECHANISMUS
摘要
申请公布号
AT489531(T)
申请公布日期
2010.12.15
申请号
AT20060741474T
申请日期
2006.05.09
申请人
TESCO CORPORATION
发明人
CARR, WILLIAM;BROWN, MATTHEW;ANGMAN, PER
分类号
E21B19/16;E21B19/08
主分类号
E21B19/16
代理机构
代理人
主权项
地址
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