DIN EN ISO 2503 (2009-11)被替代
Gas welding equipment - Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa) (ISO 2503:2009)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
NBN EN ISO 2503:2009 - Identical
NF EN ISO 2503:2009 - Identical
BS EN ISO 2503:2009 - Identical
SS EN ISO 2503 Ed. 2 (2009) - Identical
UNE EN ISO 2503:2010 - Identical
UNI EN ISO 2503:2010 - Identical
SS EN ISO 2503:2009 - Identical
BS EN ISO 2503:2009+A1:2015 - Identical
NS EN ISO 2503:2009 - Identical
SN EN ISO 2503:2010 - Identical
NEN EN ISO 2503:2009 - Identical
ONORM EN ISO 2503:2015 - Identical
