| 发明名称 |
IMPROVED ELECTRIC WATCH-CASE |
| 摘要 |
Electric watch has a single battery contact spring which is centrally located on the watch back to contact both batteries in the watch. |
| 申请公布号 |
HK13479(A) |
申请公布日期 |
1979.03.23 |
| 申请号 |
HK19790000134 |
申请日期 |
1979.03.15 |
| 申请人 |
HUGHES AIRCRAFT CO |
发明人 |
SOMOGYI B |
| 分类号 |
G04G99/00;G04B37/05;G04C10/00;G04G17/02;H01M2/10;(IPC1-7):04F3/00;01M2/10 |
主分类号 |
G04G99/00 |
| 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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