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发明名称
STRÖMUNGSREGLER ZUM EINSATZ IN EINER UNTERIRDISCHEN BOHRUNG
摘要
申请公布号
AT542026(T)
申请公布日期
2012.02.15
申请号
AT20050713094T
申请日期
2005.02.08
申请人
WELLDYNAMICS, INC.
发明人
TIPS, TIMOTHY
分类号
E21B43/16;E21B34/08
主分类号
E21B43/16
代理机构
代理人
主权项
地址
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