| 1. | Recirculating direct gas - fired industrial air heaters 循环直接燃气式工业用气体加热器 |
| 2. | Recirculating direct gas - fired industial air heaters 工业用可循环直接燃气式气体加热器 |
| 3. | Direct gas - fired door heaters ; addenda 直接燃气的进出口加热器.补充件 |
| 4. | Non - recirculating direct gas fired industrial air heaters 工业用不可再循环的直接燃气式气体加热器 |
| 5. | Non - recirculating direct gas - fired industrial air heaters same as cga 3 . 7 非循环直接燃气式工业气体加热器 |
| 6. | Non - recirculating direct gas - fired industrial air heaters same as cga 3 . 7a 非循环直接燃气式工业用气体加热器 |
| 7. | Direct gas - fired door heaters 直接燃气的门式加热器 |
| 8. | Direct gas - fired circulating heaters for agricultural animal confinement buildings 农牧圈饲建筑物用直接燃气式循环加热器 |
| 9. | Direct gas - fired washing machines , of nominal heat input not exceeding 20 kw - safety 额定热输入不超过20kw的直接燃气洗衣机.安全性 |
| 10. | Methods and limits for checking the direct gas ventilation cooling system of turbogenerator rotor 透平发电机转子气体内冷通风道检验方法及限值 |