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发明名称
ABLENKKEILEINHEIT
摘要
申请公布号
DE60134543(D1)
申请公布日期
2008.08.07
申请号
DE20016034543
申请日期
2001.04.04
申请人
WEATHERFORD/LAMB INC.
发明人
HART, SHANE;SCHNITKER, MARK
分类号
E21B7/06;E21B7/08;E21B29/06
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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