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发明名称
EXTRACTION OF BASE METALS
摘要
申请公布号
CA611562(A)
申请公布日期
1960.12.27
申请号
CAD611562
申请日期
申请人
AMERICAN CYANAMID COMPANY
发明人
NORMAN HEDLEY;HOWARD TABACHNICK
分类号
主分类号
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代理人
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