发明名称 FORFARANDE FOR FRAMSTELLNING AV SINTRAD KARBID
摘要 <p>In a process for producing a cemented carbide by powder metallurgy, oxidizable intermediate products are treated with a carboxylic acid or anhydride thereof having a molecular weight less than 200 to prevent oxidation. The intermediate products thus obtained are also described in detail.</p>
申请公布号 SE392882(B) 申请公布日期 1977.04.25
申请号 SE19730001296 申请日期 1973.01.30
申请人 SUMITOMO ELECTRIC INDUSTRIES LTD 发明人 HARA A;MIYAKE M;KOBAYSASHI M
分类号 B22F1/00;B01F3/12;B22F3/02;B22F9/02;B28C1/04;B28C3/00;C22C1/05;(IPC1-7):04B35/52 主分类号 B22F1/00
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