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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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