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发明名称
STYRNING AV BORRMASKINBOMMAR
摘要
申请公布号
FI791176(A)
申请公布日期
1979.10.12
申请号
FI19790001176
申请日期
1979.04.10
申请人
ATLAS COPCO AB
发明人
KIMBER ERICH VOLDEMAR;LUNDSTROEM AXEL LENNART
分类号
E21B15/04;F15B11/20;(IPC1-7):E21C/
主分类号
E21B15/04
代理机构
代理人
主权项
地址
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