DIN EN ISO 15848-1:2015 工业阀.漏气的测量、试验和鉴定程序.第1部分:阀门定型试验的分类系统和鉴定程序(ISO 15848-1-2015);德文版本EN ISO 15848-1-2015
Industrial valves - Measurement, test and qualification procedures for fugitive emissions - Part 1: Classification system and qualification procedures for type testing of valves (ISO 15848-1:2015); German version EN ISO 15848-1:2015