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发明名称
ORE CONCENTRATION BY FLOATION
摘要
申请公布号
CA395829(A)
申请公布日期
1941.04.15
申请号
CAD395829
申请日期
申请人
ARMOUR AND COMPANY
发明人
JAMES HARWOOD;ANDERSON W. RALSTON;WILLIAM O. POOL
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主分类号
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