EN 12007-2-2000 燃气供应系统.最大操作压力≤16 bar的管线.第2部分:聚乙烯的特别功能性推荐(最大使用压力≤10bar)
Gas Supply Systems - Pipelines for Maximum Operating Pressure up to and Including 16 Bar - Part 2: Specific Functional Recommendations for Polyethylene (MOP up to and Including 10 Bar)