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经营范围
发明名称
Body of traveling nut, especially nut of bucket wheel excavator of mining large machinery
摘要
申请公布号
CZ20046(U1)
申请公布日期
2009.09.23
申请号
CZ20090021398U
申请日期
2009.07.01
申请人
UNEX A.S.
发明人
KOSTECKA VIT
分类号
E21C47/02
主分类号
E21C47/02
代理机构
代理人
主权项
地址
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