| 1. | Sound signalling devices for household and similar purposes
家用和类似用途的声音信号装置 |
| 2. | Sound signalling devices ; acoustic horn bugles for low voltages
音响信号装置.低压嗽叭形音响号角 |
| 3. | Multi - tone sound signalling device
复音声响讯号装置 |
| 4. | Road vehicles - sound signalling devices - tests after mounting on vehicle
道路车辆.声音信号设备.车辆安装后的试验 |
| 5. | Sound signalling devices for domestic and similar purposes . safety requirements
家用和类似用途的声音信号传输装置.安全要求 |
| 6. | Sound signalling device
声响讯号装置 |
