| 1. | Hot rolled steel channels - tolerances on shape , dimensions and mass
热轧钢管道.形状尺寸和质量公差 |
| 2. | Cement mortar lining for buried steel water pipeline technical standard
埋地给水钢管道水泥砂浆衬里技术标准 |
| 3. | Code for structural design of buried steel oil and gas transmission pipeline
埋地输油输气钢管道结构设计规范 |
| 4. | Technical standard for cement mortar lining of buried steel water supply pipeline
埋地给水钢管道水泥砂浆衬里技术标准 |
| 5. | Specification for class ii arc welding of carbon steel pipework for carrying fluids
输送流体用碳钢管道二级电弧焊规范 |
| 6. | Specification for class i arc welding of ferritic steel pipework for carrying fluids
输送流体用铁素体钢管道工程的一级电弧焊规范 |
| 7. | Flanged steel pipes and flanged steel fittings glass lined - technical specifications
带玻璃衬里的法兰钢管道和法兰钢配件.技术规范 |
| 8. | Specification for class i oxy - acetylene welding of ferritic steel pipework for carrying fluids
输送液体用铁素体钢管道一级氧乙炔焊规范 |
| 9. | Steel gas pipelines for permissible working pressures up to 16 bar ; pipes and fittings
允许工作压力16巴以下的气体输送用钢管道.管道和配件 |
| 10. | Flanged steel pipes and flanged steel or cast iron fittings with lining - pn 10 , pn 25 and pn 40
带衬里的法兰钢管和法兰钢管道或法兰铸铁配件. pn 10 |
