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发明名称
BERGBORRNINGSANORDNING OCH BORRSTRAENG FOER DENNA.
摘要
申请公布号
FI861571(A0)
申请公布日期
1986.04.14
申请号
FI19860001571
申请日期
1986.04.14
申请人
ATLAS COPCO AB
发明人
ANDERSSON, KURT HOLGER
分类号
B25D17/06;E21B17/042;F16L15/00;(IPC1-7):E21B/
主分类号
B25D17/06
代理机构
代理人
主权项
地址
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