发明名称 Metallurgical treatment lance
摘要 A lance adapted for metallurgical treatment comprising an elongated tube-shaped member having a refractory coating thereon and a sleeve of carbon bonded refractory fitted about the tube-shaped member at the slagline to protect the slagline region thereof.
申请公布号 US4989838(A) 申请公布日期 1991.02.05
申请号 US19890392056 申请日期 1989.08.10
申请人 KALDON, RICHARD G.;BROWN, WILLIAM K. 发明人 KALDON, RICHARD G.;BROWN, WILLIAM K.
分类号 C21C5/46 主分类号 C21C5/46
代理机构 代理人
主权项
地址