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发明名称
BOHRROHR MIT VERBESSERTEN VERBINDUNGEN
摘要
申请公布号
DE69522567(D1)
申请公布日期
2001.10.11
申请号
DE1995622567
申请日期
1995.06.21
申请人
GRANT PRIDECO, L.P.
发明人
SMITH, JACKIE E.
分类号
F16L25/00;E21B17/042;F16L15/06
主分类号
F16L25/00
代理机构
代理人
主权项
地址
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