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发明名称
Classifying system for pulverized materials
摘要
申请公布号
US2381954(A)
申请公布日期
1945.08.14
申请号
US19400350737
申请日期
1940.08.03
申请人
HARLOWE HARDINGE
发明人
HARDINGE HARLOWE
分类号
B07B7/08
主分类号
B07B7/08
代理机构
代理人
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