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发明名称
FROTHING AGENTS FOR FLOTATION OF ORES
摘要
申请公布号
CA521913(A)
申请公布日期
1956.02.21
申请号
CAD521913
申请日期
申请人
THE DOW CHEMICAL COMPANY
发明人
ELMER C. TVETER
分类号
主分类号
代理机构
代理人
主权项
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