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经营范围
发明名称
SUBDIVISION DE MINERAUX.
摘要
申请公布号
BE848876(A1)
申请公布日期
1977.03.16
申请号
BE19760172814
申请日期
1976.11.29
申请人
发明人
分类号
B02C17/16;(IPC1-7):B02C/
主分类号
B02C17/16
代理机构
代理人
主权项
地址
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