发明名称
摘要 <p>PURPOSE:To improve steel-making efficiency as well as extremely reduce the amt. of slag used, improve iron yield, and increase the blending ratio of scrap by decarburization refining pig iron of low P, S and Si contents by oxygen blowing so as to perform steel-making.</p>
申请公布号 JPS5625248(B2) 申请公布日期 1981.06.11
申请号 JP19770024174 申请日期 1977.03.05
申请人 发明人
分类号 C21C5/28;C21C5/30;C21C5/32 主分类号 C21C5/28
代理机构 代理人
主权项
地址