| 发明名称 |
CRYSTAL WATCH DIRECTLY DRIVING SECOND HAND |
| 摘要 |
PURPOSE:The need for speed reduction wheel trains from motor to second hand is eliminated and the need for means of preventing swinging of second hand is eliminated at all by using the second hand as a structural element of the motor. |
| 申请公布号 |
JPS52145070(A) |
申请公布日期 |
1977.12.02 |
| 申请号 |
JP19760061579 |
申请日期 |
1976.05.27 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
KASHIYAMA SASAFUMI |
| 分类号 |
G04C3/14;G04C13/12 |
主分类号 |
G04C3/14 |
| 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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