| 发明名称 |
HEAT TREATMENT METHOD TO IMPROVE TOUGHNESS OF STEEL |
| 摘要 |
PURPOSE:A heat treatment method to improve toughness of by uniformly and simply heating even the inner part of large steel products. |
| 申请公布号 |
JPS5237512(A) |
申请公布日期 |
1977.03.23 |
| 申请号 |
JP19750113696 |
申请日期 |
1975.09.22 |
| 申请人 |
HITACHI KENKI KK |
发明人 |
KOUNO AKIOMI;IBARAKI YOSHIAKI |
| 分类号 |
C21D6/00;C21D1/78 |
主分类号 |
C21D6/00 |
| 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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