发明名称 TUNGSTEN-BASE ELECTRODE MATERIAL
摘要 An electrode material for large electric current, which is excellent in the ability to start an electric arc and the resistance to weight reduction and comprises from 0.02 to less than 0.5 % by weight of lanthanum oxide and the balance consisting of tungsten.
申请公布号 WO9424327(A1) 申请公布日期 1994.10.27
申请号 WO1993JP00945 申请日期 1993.07.09
申请人 TOHO KINZOKU CO., LTD.;HOKKAI TUNGSTEN INDUSTRIAL CO., LTD.;MATSUDA, FUKUHISA;USHIO, MASAO;HASEGAWA, KIYOYUKI;AKABANE, KATSUYOSHI;MATSUNO, TAKASHI 发明人 MATSUDA, FUKUHISA;USHIO, MASAO;HASEGAWA, KIYOYUKI;AKABANE, KATSUYOSHI;MATSUNO, TAKASHI
分类号 B23K35/32;B23K35/22;C22C1/05;C22C27/04;C23C4/08;(IPC1-7):C22C27/04 主分类号 B23K35/32
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