| 1. | Screws for drawing instruments ; part 1 : t - bolts 绘图仪器用螺钉.第1部分: t型螺栓 |
| 2. | Dividers for school drawing standard drawing instruments 学生用标准绘图仪的分规 |
| 3. | P spring - bow divider for precision drawing instruments 精密绘图仪的弹簧弓式两脚规 |
| 4. | P swivel nib pens for precision drawing instruments 精密绘图仪的旋转式鸭嘴笔 |
| 5. | Spring bow divider for school drawing instruments 学生用绘图仪器的弹簧分度规 |
| 6. | Reversible spring bow for standard drawing instruments 标准绘图仪可逆分度规 |
| 7. | Spring bow centre - wheel for drawing instruments 绘图仪用弹性弓型中心轮 |
| 8. | P lengthening bar for precision drawing instruments 精密绘图仪的延长杆 |
| 9. | Measuring , surveying , precision and drawing instruments 计量、检查、精密、制图仪器及器材 |
| 10. | P pencil points for precision drawing instruments 精密绘图仪的铅笔笔尖 |