| 1. | Smoke detectors - line detectors using an optical light beam 线型光束感烟火灾探测器 |
| 2. | Products : optical light guides industrial use 工业用玻璃光纤光导线 |
| 3. | Diffractive optics analysis of integrated micro optical light guide plate 集成微光学导光板衍射分析 |
| 4. | Glass optical light guides 玻璃光纤光导线 |
| 5. | Optical light engine 投影机光学引擎 |
| 6. | Optical light engine 投影机光学引擎 |
| 7. | Fire detection and fire alarm systems - smoke detectors - line detectors using an optical light beam 火灾探测和火灾警报系统.烟雾探测器.利用光学光束的线性探测器 |
| 8. | Fire detection and fire alarm systems - part 12 : smoke detectors - line detectors using an optical light beam 火灾探测和火警系统.第12部分:烟雾探测器.使用光学光束的线性探测器 |
| 9. | Fire detection and fire alarm systems - part 12 : smoke detectors ; line detectors using an optical light beam ; german version en 54 - 12 : 2002 火险探测和报警系统.第12部分:烟雾探测器.光束探测器 |