| 发明名称 |
Protective sheet for cassette holding magnetic recording tape |
| 摘要 |
A protective sheet for a cassette holding a magnetic recording tape comprises a transparent base which is coated with a hardened surface layer formed by bonding hard fine particles with a binder.
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| 申请公布号 |
US4404245(A) |
申请公布日期 |
1983.09.13 |
| 申请号 |
US19810263599 |
申请日期 |
1981.05.14 |
| 申请人 |
TDK ELECTRONICS CO., LTD. |
发明人 |
ISHIDA, TOSHIHIKO |
| 分类号 |
G11B23/087;(IPC1-7):B32B3/00;B32B27/14;G11B5/78 |
主分类号 |
G11B23/087 |
| 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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