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经营范围
发明名称
Introduction of magnesium into molten iron
摘要
申请公布号
US2577837(A)
申请公布日期
1951.12.11
申请号
US19490124304
申请日期
1949.10.29
申请人
ZIFFERER LOTHAR R
发明人
ZIFFERER LOTHAR R.
分类号
C21C1/10;C21C7/00;C22C33/10
主分类号
C21C1/10
代理机构
代理人
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地址
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