| 发明名称 |
Improvements in or relating to methods of manufacturing cores for magnetic recording and/or play-back heads and to cores manufactured by these methods |
| 摘要 |
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| 申请公布号 |
GB1016639(A) |
申请公布日期 |
1966.01.12 |
| 申请号 |
GB19640018186 |
申请日期 |
1964.05.01 |
| 申请人 |
PHILIPS ELECTRONIC AND ASSOCIATED INDUSTRIES LIMITED |
发明人 |
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| 分类号 |
B24B19/00;B24B19/26;B24B21/00;G11B5/127;G11B5/187;G11B5/193;G11B5/41 |
主分类号 |
B24B19/00 |
| 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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