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发明名称
Hårdmetallstift för en borrkrona för slående bergborrning, borrkrona och metod att slipa ett hårdmetallstift
摘要
申请公布号
SE0901268(A1)
申请公布日期
2011.04.06
申请号
SE20090001268
申请日期
2009.10.05
申请人
ATLAS COPCO SECOROC AB
发明人
GOERAN STENBERG;JOHAN WESSBERG
分类号
E21B10/56;E21B10/46
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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