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发明名称
Kallionporauslaitteen suojusrakenne melun vaimentamiseksi
摘要
申请公布号
FI20075231(A0)
申请公布日期
2007.04.04
申请号
FI20070005231
申请日期
2007.04.04
申请人
SANDVIK MINING AND CONSTRUCTION OY,
发明人
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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