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发明名称
Methods and means improving conveying and size segregation during crushing
摘要
申请公布号
US2865570(A)
申请公布日期
1958.12.23
申请号
US19530364689
申请日期
1953.06.29
申请人
NUTTING EARLE M
发明人
NUTTING EARLE M.
分类号
B02C1/04
主分类号
B02C1/04
代理机构
代理人
主权项
地址
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