EN ISO 15848-1:2015/A1:2017
工业阀门.测量,测试和资格程序短时排放.第1部分:类型测试阀门的分类系统和资格程序 包含修改件A1,2017
Industrial valves - Measurement, test and qualification procedures for fugitive emissions - Part 1: Classification system and qualification procedures for type testing of valves - Amendment 1 (ISO 15848-1:2015/Amd 1:2017)