DANSK DS/EN ISO 16486-1:2020 用于供应气体燃料的塑料管道系统 带熔接和机械连接的未塑化聚酰胺 (PA-U) 管道系统 第1部分:概述 (ISO 16486-1:2020)
Plastics piping systems for the supply of gaseous fuels – Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing – Part 1: General (ISO 16486-1:2020)