| 1. | 13 amperes 4 - pole sealed reverse current relays 3a小型密封四极逆流继电器 |
| 2. | Weight - driven starting relays current relays 电流式继电器性能: |
| 3. | Technical parameters for weight - driven starting relays current relay 重力式启动器电流式继电器技术参数表 |
| 4. | Single - phase over - current relay 单相过电流继电器 |
| 5. | Thermal over - current relay 热力式过载继电器 |
| 6. | Time over - current relay 时限过电流继电器 |
| 7. | Soft magnetic materials for direct current relays ; technical conditions of delivery 直流继电器的软磁体材料.交付技术状态 |
| 8. | Electrical equipment for aircraft . differential reverse current relays with feeder protection 飞机电气设备.带馈线保护的差动反向电流继电器 |
| 9. | Switchgear for aircraft . fixing of base for 3 amperes double pole sealed reverse current relays 飞机电气开关装置. a双极密封逆流双极继电器座的安装 |