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发明名称
Improvements relating to impact mills for grinding and classifying material into fine particles
摘要
申请公布号
GB522339(A)
申请公布日期
1940.06.14
申请号
GB19390000642
申请日期
1939.01.09
申请人
ERNST AUGUST JULIUS KOCH
发明人
分类号
B02C13/18;B02C23/00
主分类号
B02C13/18
代理机构
代理人
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