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发明名称
Gewindekupplung für Bohrgestänge von Schlagbohrmaschinen
摘要
申请公布号
DE3734354(C2)
申请公布日期
1998.07.16
申请号
DE19873734354
申请日期
1987.10.10
申请人
SANDVIK AB, SANDVIKEN, SE
发明人
LUNDELL, LARS-GUNNAR, SANDVIKEN, SE
分类号
E21B17/042;F16L15/00;(IPC1-7):E21B17/042;B28D1/26;C23C4/06
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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