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发明名称
BORRSTAONG FOER EN BERGBORRMASKIN
摘要
申请公布号
FI68705(B)
申请公布日期
1985.06.28
申请号
FI19830003662
申请日期
1983.10.07
申请人
OY AIRAM AB KOMETA
发明人
HELASUO KALEVI
分类号
E21B;E21B17/00;E21B17/10;(IPC1-7):E21B17/10
主分类号
E21B
代理机构
代理人
主权项
地址
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