| 1. | Types and dimensions of edison screw lampholders
螺口式灯座的型式和尺寸 |
| 2. | Types and dimensions of edison screw lamp caps
螺口式灯头的型式和尺寸 |
| 3. | Miniature edison screw - cap small edison screw - cap
小型爱迪生螺旋灯头 |
| 4. | Edison screw lampholders specially used for explosion - proof luminaires
防爆灯具专用螺口式灯座 |
| 5. | Edison screw lampholders ; amendment 2
爱迪森螺纹灯座.修改件2 |
| 6. | Edison screw lampholders ; amendment 1
爱迪森螺纹灯座.修改件1 |
| 7. | Gauges of edison screw lampholders
螺口式灯座的量规 |
| 8. | Gauges of edison screw lamp caps
螺口式灯头的量规 |
| 9. | Edison screw lampholders
爱迪生螺口灯座 |
| 10. | Edison screw lampholders
螺口灯座 |
