DIN ISO 16486-5-2015 气体燃料供给用塑料管道系统.带有热熔接头和机械接头的不加增塑剂的聚酰胺(PA-U)管道系统.第5部分:系统配件(ISO 16486-5-2012)
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 5: Fitness for purpose of the system (ISO 16486-5:2012)