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发明名称
DIRECT REDUCTION KILN WITH IMPROVED AIR INJECTION
摘要
申请公布号
PT72372(B)
申请公布日期
1981.12.21
申请号
PT19810072372
申请日期
1981.01.20
申请人
THE DIRECT REDUCTION CORPORATION
发明人
分类号
C21B13/08;C21C;(IPC1-7):C21B13/08
主分类号
C21B13/08
代理机构
代理人
主权项
地址
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