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经营范围
发明名称
DIRECT CURRENT ARC FURNACE
摘要
申请公布号
PL186952(B1)
申请公布日期
2004.04.30
申请号
PL19980324951
申请日期
1998.02.20
申请人
POLITECHNIKA CZESTOCHOWSKA
发明人
SAWICKI ANTONI
分类号
C21B11/10;C21C5/52;C22B4/08;F27D11/08;H05B7/18
主分类号
C21B11/10
代理机构
代理人
主权项
地址
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