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发明名称
Process and device for the production of iron-alloys free from gases, especially oxygen
摘要
申请公布号
US1807468(A)
申请公布日期
1931.05.26
申请号
US19290337747
申请日期
1929.02.06
申请人
CARL BRACKELSBERG
发明人
BRACKELSBERG CARL
分类号
C21C1/00
主分类号
C21C1/00
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