| 发明名称 |
Spiral spring for time measuring device |
| 摘要 |
A spiral spring for use in connection with horology instruments is disclosed which includes a spiral spring and a collet which are produced in one piece without molecular discontinuity.
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| 申请公布号 |
US7018092(B2) |
申请公布日期 |
2006.03.28 |
| 申请号 |
US20030383035 |
申请日期 |
2003.03.06 |
| 申请人 |
FRANCK MULLER WATCHLAND S.A. |
发明人 |
MUELLER FRANCESCO |
| 分类号 |
G04B1/10;G04B17/34;G04B17/06 |
主分类号 |
G04B1/10 |
| 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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