Cite this article:
. . Acta Metall Sin, 1999, 35(2): 155-158 .
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Received: 23 October 1998
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[1] Mannfacture of Hard MetaIs. Factocy of Zhuzhou Hardmet-als. Beijing: Metallurgy Indastry Press, 1974. 443 (株州硬质合金厂。硬质合金的生产。北京:冶金工业出版社, 1974:443) [2] McCandlish L E, Kear B H, Bhatia S J. World Pat WO91/07244, 1991 [3] wei M K, zhang H L. Chin Pat 931084466, 1993(魏明坤,张汉林。中国专利 931084466, 1993) [4] Zhang L Y. Wu Q H, Wu C Y, Wu Z Y. J Univ Sci TechnolBeijing, 1998; 20. 326(张丽英,吴庆华,吴成义,吴志勇。北京科技大学学报, 1998;20: 326) [5] Zhang L Y, Wu C Y. Chin Pat ZL 9424733X, 1994(张丽英,吴成义 中国专利ZL 9424733X, 1994)N |
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