| 1. | Automatic gas ignition systems and components
自动燃气点火系统和元件 |
| 2. | Manually operated piezo - electric spark gas ignition systems and components
手动压电式火花燃气点火系统和部件 |
| 3. | Manually operated elecric gas ignition systems and components same as csa 6 . 29a
手工操作的电燃气点火系统和部件 |
| 4. | Manually - operated piezo - electric spark gas ignition systems and components
人工操作压电型电火花气体点火装置和元件 |
| 5. | Csa 6 . 29 manually operated electric gas ignition systems and components same as csa 6 . 29
手工操作电子点火燃气系统和部件 |
| 6. | Manually - operated piezo - electric spark gas ignition systems and components ; addenda
人工操作的压电型电火花气体点火装置和元部件.补充件 |
