| 发明名称 |
TETSU*III*ENKARATOKATAJISEIKOBARUTOGANJUSANKATETSUOSEIZOSURUHOHO |
| 摘要 |
The iron oxides are based on gamma -iron(III) oxide, have a Co(II) ion content of 1 to 7% by weight, relative to the iron oxide, a length to thickness ratio of 1.2 to 3.5 and are prepared from iron(III) salts. |
| 申请公布号 |
JPH0676219(B2) |
申请公布日期 |
1994.09.28 |
| 申请号 |
JP19860084411 |
申请日期 |
1986.04.14 |
| 申请人 |
BASF AG |
发明人 |
FUORUKAA ARUNTO;BERUNTO MAIYAA;UERUNAA SHUTETSUKU;HERUMUUTO YAKUSHU |
| 分类号 |
C01G49/00;C01G49/06;G11B5/706;H01F1/10;H01F1/11 |
主分类号 |
C01G49/00 |
| 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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