发明名称 FREE FLOWING METALLURGICAL WELL POWDER
摘要 There is provided a metallurgical well powder having reduced tendencies to hinder the flow of molten metal, by packing and jamming the opening, in a steel ladle for example, through which said molten metal will be teemed upon tapping said ladle.
申请公布号 ZA8200161(B) 申请公布日期 1982.11.24
申请号 ZA19820000161 申请日期 1982.01.11
申请人 FERRO CORP 发明人 DUNWORTH B
分类号 B22D41/46;C04B35/48 主分类号 B22D41/46
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