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发明名称
STEERABLE SOIL PENETRATION SYSTEM
摘要
申请公布号
AU2003227025(A1)
申请公布日期
2003.09.22
申请号
AU20030227025
申请日期
2003.03.07
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
MICHAEL, JOHN BEITS;JOSEF, GUILLAUME, CHRISTOFFEL OOENEN;PIETER, KAREL, ANTON KAPTEIJN;PETER OOSTERLING;PAUL, DIRK SCHILTE;PLEUN, MARINUS VAN DER SMAN;GUSTAAF, LOUIS VAN WECHEM
分类号
E21B7/06;E21B7/20;E21B7/26;E21B7/30;E21B17/20;(IPC1-7):E21B7/26
主分类号
E21B7/06
代理机构
代理人
主权项
地址
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