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发明名称
METHODS AND APPARATUS FOR AIR CLASSIFYING AND SCREENING OF FINELY DIVIDED MATERIAL
摘要
申请公布号
CA788821(A)
申请公布日期
1968.07.02
申请号
CAD788821
申请日期
申请人
STURTEVANT MILL COMPANY
发明人
DANIEL J. SULLIVAN
分类号
主分类号
代理机构
代理人
主权项
地址
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