DIN EN 15383 E:2010 用于排水和污水處理的塑料管道系統 基于聚酯樹脂(UP)的玻璃增強熱固性塑料(GRP) 人孔和檢查室 草案
Draft Document - Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambers; German version prEN 15383:2010