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发明名称
BOHRROHR FÜR BOHRGESTÄNGE
摘要
申请公布号
AT257214(T)
申请公布日期
2004.01.15
申请号
AT19970928611T
申请日期
1997.06.18
申请人
SANDVIK AKTIEBOLAG (PUBL)
发明人
LILJEBRAND, PER-OLOF;OLSSON, URBAN;BECCU, RAINER
分类号
E21B21/10;(IPC1-7):E21B21/10
主分类号
E21B21/10
代理机构
代理人
主权项
地址
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