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发明名称
IRON REFINING METHOD
摘要
申请公布号
CA320196(A)
申请公布日期
1932.03.01
申请号
CAD320196
申请日期
申请人
THE MATHIESON ALKALI WORKS
发明人
GEORGE S. EVANS
分类号
主分类号
代理机构
代理人
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