DIN ISO 16486-3-2015 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3部分:配件(ISO 16486-3-2012+AMD 1-2014)
Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings (ISO 16486-3:2012 + AMD 1:2014)