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发明名称
ZENTRIERVORRICHTUNG
摘要
申请公布号
DE69524109(T2)
申请公布日期
2002.06.06
申请号
DE19956024109T
申请日期
1995.09.25
申请人
WEATHERFORD/LAMB, INC.
发明人
STOKKA, ARNOLD
分类号
E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B17/10
代理机构
代理人
主权项
地址
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