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发明名称
KUPPLUNGSVERLAENGERUNG FUER GESTEINSBOHRMASCHINEN.
摘要
申请公布号
AT13925(T)
申请公布日期
1985.07.15
申请号
AT19820901041T
申请日期
1982.03.26
申请人
FAGERSTA AB
发明人
GUSTAFSSON GOESTA CHRISTER
分类号
E21B17/042;(IPC1-7):E21B17/042
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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