| 1. | Marine oval - shaped cast iron and cast steel pipe flanges 船用扁圆形铸铁和铸钢法兰 |
| 2. | Intergral steel pipe flanges with flat face or raised face 平面突面整体钢制管法兰 |
| 3. | Hubbed socket welding steel pipe flanges with raised face 突面带颈承插焊钢制管法兰 |
| 4. | Integral steel pipe flanges with tongue and groove face 榫槽面整体钢制管法兰 |
| 5. | Gaskets for large - diameter cabon steel pipe flanges 大直径碳钢管法兰用垫片 |
| 6. | Integral steel pipe flanges with male and female face 凹凸面整体钢制管法兰 |
| 7. | Specification for p3 . 0mpa welded steel pipe flanges P3 . 0mpa焊接钢法兰规范 |
| 8. | Hubbed screwed steel pipe flanges with raised face 突面带颈螺纹钢制管法兰 |
| 9. | Oval metallic ring gaskets for steel pipe flange joints 钢制管法兰连接用椭圆形金属环垫 |
| 10. | Marine slip - on steel pipe flanges for expanded end copper pipes 船用铜管折边松套钢法兰 |