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发明名称
Bohrloch-Aktivierungssystem
摘要
申请公布号
DE19983678(B4)
申请公布日期
2009.08.13
申请号
DE19991083678
申请日期
1999.10.26
申请人
SCHLUMBERGER TECHNOLOGY CORP.
发明人
LERCHE, NOLAN;MERLAU, DAVID
分类号
E21B43/1185;E21B41/00;F42D1/05
主分类号
E21B43/1185
代理机构
代理人
主权项
地址
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