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发明名称
Järjestely iskevän kallionporauksen ohjaamiseksi
摘要
申请公布号
FI20020352(A)
申请公布日期
2003.08.23
申请号
FI20020000352
申请日期
2002.02.22
申请人
SANDVIK TAMROCK OY,
发明人
UITTO,VESA
分类号
E21B44/00;E21B44/02;(IPC1-7):E21B
主分类号
E21B44/00
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代理人
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