| 发明名称 |
ROTARY MAGNETIC MEMORY STORAGE |
| 摘要 |
PURPOSE:As to fixed head type magnetic disc appliances, the one part of an airtight type box is made of a flexible film, making it possible to maintain the constant inside pressure of this appliances and to get dust-proof effect. |
| 申请公布号 |
JPS51147303(A) |
申请公布日期 |
1976.12.17 |
| 申请号 |
JP19750070772 |
申请日期 |
1975.06.13 |
| 申请人 |
HITACHI LTD |
发明人 |
KURANE KOREAKI;ISHIKAWA HIROYUKI |
| 分类号 |
G11B25/04;G11B23/50;G11B33/14 |
主分类号 |
G11B25/04 |
| 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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