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经营范围
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
代理机构
代理人
主权项
地址
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