| 1. | Rules for the inspection of steel pipe flangesfor export
出口钢制管法兰检验规程 |
| 2. | Steel pipe welding neck flanges with male and female face
凹凸面对焊钢制管法兰 |
| 3. | Spiral corrugated post - tension tube pipe making machine zh - 150
螺旋制管机扁管机 |
| 4. | Steel pipe welding neck flanges with tongue and groove face
榫槽面对焊钢制管法兰 |
| 5. | Intergral steel pipe flanges with flat face or raised face
平面突面整体钢制管法兰 |
| 6. | Hubbed socket welding steel pipe flanges with raised face
突面带颈承插焊钢制管法兰 |
| 7. | Steel pipe blank flanges with flat face or raised face
平面突面钢制管法兰盖 |
| 8. | Integral steel pipe flanges with tongue and groove face
榫槽面整体钢制管法兰 |
| 9. | Steel pipe welding neck flanges with ring - joint face
环连接面对焊钢制管法兰 |
| 10. | Integral steel pipe flanges with male and female face
凹凸面整体钢制管法兰 |
