DIN EN ISO 9539-2014 气焊设备.气体焊接、切割和相关工艺过程用设备的材料(ISO 9539-2010+Amd.1-2013).德文版本EN ISO 9539-2010+A1-2013
Gas welding equipment - Materials for equipment used in gas welding, cutting and allied processes (ISO 9539:2010 + Amd.1:2013); German version EN ISO 9539:2010 + A1:2013