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发明名称
STEEL MAKING PROCESS BY OXYGEN TOP-BLOWN CONVERTER
摘要
申请公布号
GB1533396(A)
申请公布日期
1978.11.22
申请号
GB19750053056
申请日期
1975.12.29
申请人
NIPPON KOKAN KK
发明人
分类号
C21C5/32;(IPC1-7):C21C5/32
主分类号
C21C5/32
代理机构
代理人
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