| 1. | Gas tightness of equipment for gas welding and allied process
气焊和相关工艺用设备的气密性 |
| 2. | Gas welding equipment . small kits for gas brazing and welding
气焊设备.气炬钎焊和焊接用小型附件 |
| 3. | Gas welding equipment - small kits for gas brazing and welding
气焊设备.气体硬钎焊和焊接用小型设备箱 |
| 4. | Tig tungsten - arc inert - gas welding
钨极电弧惰性气体保护焊 |
| 5. | Copper and copper alloy gas welding rods
铜及铜合金气焊条 |
| 6. | Materials for equipment used in gas welding , cutting and allied processes
气焊切割和相关工艺设备用材料 |
| 7. | Gas welding equipment - terminology - terms used for gas welding equipment
气焊设备.术语.气焊设备用术语 |
| 8. | Mig metal - inert gas welding
金属焊丝惰性气体保护焊 |
| 9. | Gas welding equipment - safety devices - incorporating a flame flashback arrestor
气焊设备.安全性装置.使用火焰 |
| 10. | Gas welding equipment - terminology - terms used for gas welding equipment
气体焊接设备.术语.气体焊接使用的术语 |
