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发明名称
EXPANDIERBARER MEISSEL
摘要
申请公布号
DE60127112(D1)
申请公布日期
2007.04.19
申请号
DE20016027112
申请日期
2001.04.24
申请人
WEATHERFORD/LAMB INC.
发明人
TULLOCH, RORY MCCRAE
分类号
E21B10/32;E21B10/62
主分类号
E21B10/32
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代理人
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