| 1. | Fixed handles for switch gears
转换开关装置的固定手柄 |
| 2. | Antenna switching device
天线转换开关装置 |
| 3. | Switchgear and controlgear conduits for pressure - gas pipelines ; copper conduits
压力气体管道的转换开关装置和控制装置.铜导管 |
| 4. | Switchgear - high - voltage air switches - rated control voltages and their ranges ; supplement
转换开关装置.高电压空气转换开关.额定控制电压及其范围：补充件 |
| 5. | Refrigerating systems and heat pumps - safety switching devices for limiting the pressure - requirements and tests
制冷系统和热力泵.限制压力的安全转换开关装置.要求和试验 |
| 6. | Low - voltage switchgear and controlgear - part 3 : switches , disconnectors , switch - disconnectors and fuse - combination units
低压转换开关装置和控制装置.第3部分:转换开关断路器开关断路器和保险丝组合装置 |
| 7. | Low - voltage switchgear and controlgear - part 5 - 10 : contactor relays and auxiliary contact for contactors and motor - starters
低压转换开关装置和控制装置.第5 - 10部分:接触器和马达起动器的接触继电气和辅助触点 |
| 8. | Railway applications . fixed installations . particular requirements for a . c . switchgear . measurement , control and protection devices for specific use in a . c . traction systems . application guide
铁路设施.固定装置.交流转换开关装置的特定要求.交流牵引系统专用的测量控制和防护设备.应用指南 |
