| 发明名称 |
PREPARATION OF SEMI*HARD MAGNETIC MATERIALS FOR HIGH SPEED HYSTERESIS MOTOR |
| 摘要 |
PURPOSE:To develop semi-hard magnetic materials having the strength enduring the high speed rotation more than 400 m/sec as a rotor material of high speed hy carrier motor for driving U condensation centrifugal separator. |
| 申请公布号 |
JPS52139617(A) |
申请公布日期 |
1977.11.21 |
| 申请号 |
JP19760056558 |
申请日期 |
1976.05.19 |
| 申请人 |
HITACHI LTD |
发明人 |
KURODA TETSUO;TSUCHIYA MASATOSHI;TENNO HIROSHI |
| 分类号 |
H01F1/047;C21D8/12;C22C38/00 |
主分类号 |
H01F1/047 |
| 代理机构 |
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代理人 |
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| 地址 |
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