| 发明名称 |
Removable keyboard switch |
| 摘要 |
An improved manually actuatable electric keyboard switch and retainer capable of being easily removed and reoriented or replaced to provide a different function.
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| 申请公布号 |
US4132877(A) |
申请公布日期 |
1979.01.02 |
| 申请号 |
US19770780723 |
申请日期 |
1977.03.24 |
| 申请人 |
LITTON BUSINESS SYSTEMS, INC. |
发明人 |
DAIGLE, PHILLIP R. |
| 分类号 |
H01H9/08;(IPC1-7):H01H13/16 |
主分类号 |
H01H9/08 |
| 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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