| 1. | Sound warning devices for authorized emergency vehicles
指定应急车辆用音响报警器 |
| 2. | Personal warning devices for x and gamma radiation
X辐射个人报警仪 |
| 3. | Personal warning devices for x and gamma radiation
辐射个人报警仪 |
| 4. | Verification regulation of personal warning devices for x and radiations
X辐射个人报警仪检定规程 |
| 5. | Insulation monitoring and warning device
绝缘监视和报警装置 |
| 6. | Deviate a belt warning devices
有皮带走偏报警装置。 |
| 7. | Airplane stall warning device
飞机失速警告装置 |
| 8. | Early warning device sydtem
早期报警装置系统 |
| 9. | A design of warning device controlling chemical polluting gas during bulb production
灯泡生产中化学污染预警装置的设计 |
| 10. | Passive warning device
被动警告设施 |
