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发明名称
Sovitelma kallioporakoneen teleskooppisyöttölaitteessa
摘要
申请公布号
FI953053(A0)
申请公布日期
1995.06.20
申请号
FI19950003053
申请日期
1995.06.20
申请人
TAMROCK OY
发明人
HAEKKINEN, LEO
分类号
E21B7/02;E21B15/00;E21B19/08;E21B19/086;(IPC1-7):E21C
主分类号
E21B7/02
代理机构
代理人
主权项
地址
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