| 1. | Generic specification of vacuum switch tubes for load switches 负荷开关用真空开关管总规范 |
| 2. | Grading standard of quality for vacuum switch tubes for contactors 接触器用真空开关管质量分等标准 |
| 3. | One - step sealing of ceramic to metal with dismatching for a vacuum switch tube 金属非匹配性一步封接 |
| 4. | Grading standard of quality for vacuum switch tubes for load switches 负荷开关用真空开关管质量分等标准 |
| 5. | Grading standard of quality for vacuum switch tubes for circuit breaker 断路器用真空开关管质量分等标准 |
| 6. | Research on operational reliability for high voltage triggering switch tube 高压开关管使用可靠性技术研究 |
| 7. | Detail specification for gas - filled microwave switching tubes of type rx - 277 Rx - 277型充气微波开关管详细规范 |
| 8. | Blank detail specification of glass vacuum switch tubes for the contactors 接触器用玻璃真空开关管空白详细规范 |
| 9. | Blank detail specification of glass vacuum switch tubes for load switches 负荷开关用玻璃真空开关管空白详细规范 |
| 10. | Blank detail specification of ceramic vacuum switch tubes for the contactors 接触器用陶瓷真空开关管空白详细规范 |