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发明名称
Kotelo kallionporauslaitteen äänen eristämiseksi ja sovitelma kallionporauslaitteen yhteydessä
摘要
申请公布号
FI108561(B)
申请公布日期
2002.02.15
申请号
FI19980002099
申请日期
1998.09.29
申请人
TAMROCK OY,
发明人
VENTO,ARTO;TANTTARI,JUKKA;SAARINEN,KARI;JULKUNEN,PASI;LINTU,VEIKKO;PELTOLA,SEPPO;SORMUNEN,TAPANI
分类号
E21B12/00;E21B7/02;E21B15/00;E21B19/08;E21B41/00;(IPC1-7):E21B15/00;B25D17/11
主分类号
E21B12/00
代理机构
代理人
主权项
地址
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