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经营范围
发明名称
Refractory porous plug
摘要
In an in-line refining vessel (50) having submerged porous plugs (20) for bubbling oxygen through the molten metal, a shroud device (52) to circulate nitrogen around the porous plug (20) and oxygen supply pipe (25).
申请公布号
US4661153(A)
申请公布日期
1987.04.28
申请号
US19830510055
申请日期
1983.07.01
申请人
SOUTHWIRE COMPANY
发明人
SINHA, UDAY K.
分类号
B22D1/00;C22B9/05;C22B15/00;C22B15/14;F27D3/16;(IPC1-7):C22B15/14
主分类号
B22D1/00
代理机构
代理人
主权项
地址
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