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发明名称
Kallionporausyksikkö, porakruunun vaihdin, sekä menetelmä porakruunun vaihtamiseksi
摘要
申请公布号
FI20085631(A)
申请公布日期
2009.12.24
申请号
FI20080005631
申请日期
2008.06.23
申请人
SANDVIK MINING AND CONSTRUCTION OY
发明人
SILTALA, HANNU
分类号
E21B
主分类号
E21B
代理机构
代理人
主权项
地址
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