| 发明名称 |
EXTERNAL PIECE FOR A TIMEPIECE AND SYSTEM OF MANUFACTURING THE SAME |
| 摘要 |
An external piece for a time piece and a method of manufacturing the same, including a top surface and a bottom surface. At least one of the faces includes a longitudinal curvature and a transverse curvature that are different. |
| 申请公布号 |
US2013343165(A1) |
申请公布日期 |
2013.12.26 |
| 申请号 |
US201214004320 |
申请日期 |
2012.02.17 |
| 申请人 |
TASSETTI JEAN-PAUL;DERRIEY GILLES;DUMONT PATRICE;COMADUR S.A. |
发明人 |
TASSETTI JEAN-PAUL;DERRIEY GILLES;DUMONT PATRICE |
| 分类号 |
G04D3/06;B24B13/06;G04B39/00 |
主分类号 |
G04D3/06 |
| 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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