| 1. | Specification for clamp connecting conduit in air system 空气导管连接快卸卡箍通用规范 |
| 2. | Railway rolling stock . air pipes . coupling head for 25 mm main brake pipe 铁路车辆.空气导管.毫米主制动装置导管的管接头 |
| 3. | Railway transport equipment . air brake and air pipes . 25 mm half - couplings 铁路运输设备.空气制动装置和空气导管.毫米离合器 |
| 4. | Railway transport equipment . air brake and air pipes . flexible hoses for 25 mm pipes 铁路运输设备.空气制动装置和空气导管.直径为毫米的管道用软管 |
| 5. | Auxiliary ventilation in mining ; flexible plastic air ducts for forced ventilation ; flat air ducts 矿井辅助通风设备.强制式通风设备的柔性塑料空气导管 |
| 6. | Railway transport equipment . air brake and air pipes . 25 mm brake - hose connecting nipple 铁路运输设备.空气制动装置和空气导管. 25毫米制动软管连接管头 |
| 7. | Ventilation for buildings . sheet metal air ducts and fittings with circular cross section . dimensions 建筑物通风.圆形截面的薄板金属空气导管和管接头.尺寸 |
| 8. | Railway rolling stock . airconditioning . dimensions and clearances reserved for vg - length air conduits 铁路车辆.空调.供vg -长度空气导管备用的间隙孔和尺寸 |
| 9. | Ventilation for buildings - sheet metal air ducts and fittings with circular cross section - dimensions 建筑物通风.带有环形十字截面的薄板金属空气导管和配件.尺寸 |
| 10. | Auxiliary ventilation for mining ; flexible plastic air ducts for exhaust and forced ventilation ; spiral air ducts 采矿辅助通风设备.排气和强制通风用柔性塑料空气导管 |