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发明名称
Grinding and classifying apparatus
摘要
申请公布号
US2152876(A)
申请公布日期
1939.04.04
申请号
US19370121182
申请日期
1937.01.18
申请人
COMBUSTION ENGINEERING COMPANY, INC.
发明人
CRITES JOE
分类号
B02C15/02;B02C23/00
主分类号
B02C15/02
代理机构
代理人
主权项
地址
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