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发明名称
METHOD OF SEPARATING FINE GRANULAR MATERIALS ACCORDING TO SPECIFIC GRAVITIES
摘要
申请公布号
CA488739(A)
申请公布日期
1952.12.09
申请号
CAD488739
申请日期
申请人
JEFFREY MANUFACTURING COMPANY
发明人
EUGENE M. BAROODY
分类号
主分类号
代理机构
代理人
主权项
地址
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