| 1. | Research on 3d asembly system of electrical switch 电气开关计算机辅助三维装配研究 |
| 2. | Switchgear for aircraft . sealed push - button switches 飞机电气开关装置.密封按钮开关 |
| 3. | Research on 3d solid modeling of electrical switch 电气开关计算机辅助三维实体造型研究 |
| 4. | Sequence of conductors in electrical switchgear assemblies 电气开关设备内导线排列顺序 |
| 5. | Electrical switchgear ; pressure ; expressions 电气开关设备.压力.公式 |
| 6. | Modular order for electrical switchgear and controlgear installations 电气开关设备和控制设备的组合顺序 |
| 7. | Key for the doors of electrical switchgear cubicles and cabinets ; double - bit key 电气开关设备箱和柜的门钥匙.双齿钥匙 |
| 8. | Code of practice for maintenance of electrical switchgear for voltages above 36 kv 电压高于36kv的电气开关维修实用规程 |
| 9. | Switchgear for aircraft . miniature sealed reverse current double pole relays 飞机电气开关装置.小型密封逆流双极继电器 |
| 10. | Switchgear for aircraft . 1 . 5 ampere double pole reverse current midget relays 飞机电气开关装置. 1 . 5a小型双极逆流继电器 |