发明名称 Charging process for shaft furnace
摘要 The raw material which is in the form of pellets of a metal oxide-contg. material of varying size is fed into the furnace such that the central core is predominantly coarser particles and the periphery, finer particles.
申请公布号 SE450659(B) 申请公布日期 1987.07.13
申请号 SE19830007165 申请日期 1983.12.27
申请人 SKF STEEL ENGINEERING AB 发明人 B * HAMMARSKOG
分类号 F27B1/20 主分类号 F27B1/20
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