| 1. | Horology . method of testing water - resistant watches
钟表业.手表的防水试验方法 |
| 2. | Horology . radioluminescent time measuring instruments
钟表学.辐射发光时间测量仪 |
| 3. | Horology . involute toothing gears . normal toothing
钟表业.渐开线齿轮.公称齿连接 |
| 4. | Horology . dimensions of jewels for shape - gauges
钟表业.定型量规用珠宝的尺寸 |
| 5. | Horology . specifications for movement blank control
钟表业.机件坯料控制规范 |
| 6. | Timing machines for horology ; requirement , testing
钟表制造技术的计时机构.要求.检验 |
| 7. | Horology . gold - plated watch - cases . test methods for coatings
钟表业.镀层的试验方法 |
| 8. | Horology . dimensions of jewels for round gauges
钟表业.圆形量规用珠宝尺寸 |
| 9. | Horology . involute toothing gears . basic racks
钟表业.渐开线齿轮.基本齿条 |
| 10. | Horology . dimensions of rollers for sweep seconds
钟表业.长秒针滚柱尺寸 |
