DIN EN ISO 23856:2023-08
用于壓力和非壓力供水、排水或污水處理的塑料管道系統 - 基于不飽和聚酯 (UP) 樹脂的玻璃增強熱固性塑料 (GRP) 系統 (ISO 23856:2021)
Plastics piping systems for pressure and non-pressure water supply, drainage or sewerage - Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin (ISO 23856:2021); German version EN ISO 23856:2021 / Note: This s...