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发明名称
Tankokasetti kallionporauslaitetta varten
摘要
申请公布号
FI95621(B)
申请公布日期
1995.11.15
申请号
FI19930001616
申请日期
1993.04.08
申请人
TAMROCK OY
发明人
LAUNIEMI, MARKKU;TIENARI, OSSI
分类号
E21B19/14;(IPC1-7):E21B19/14;E21D20/00
主分类号
E21B19/14
代理机构
代理人
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