| 发明名称 |
HIGH FREOUENCY HARDENING METHOD |
| 摘要 |
<p>PURPOSE:To hearden the local portions only, such as circumferential edges, of a thin circular plate of a diameter larger than plate thickness and reduce production of heardening stain considerably.</p> |
| 申请公布号 |
JPS5228414(A) |
申请公布日期 |
1977.03.03 |
| 申请号 |
JP19750104755 |
申请日期 |
1975.08.28 |
| 申请人 |
TOYOTA MOTOR CO LTD |
发明人 |
TAKEDA KOUICHI;SATOU HIROSHI;HANDA MASAMI |
| 分类号 |
C21D9/00;C21D1/10;C21D1/18;C21D1/68;C21D9/46 |
主分类号 |
C21D9/00 |
| 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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