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经营范围
发明名称
BORRKRONA
摘要
Rotary motion from the tube (13) is transmitted to the crown shaft (12) via a gripping device (26). There is a slot (28) carries mining medium via the channel (29) to the drill crown.
申请公布号
SE8802648(D0)
申请公布日期
1988.07.15
申请号
SE19880002648
申请日期
1988.07.15
申请人
SANDVIK AB
发明人
K * LARSSON;P * NAVA
分类号
主分类号
代理机构
代理人
主权项
地址
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