
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 + Amd 1:2015) (includes Amendment :2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Supersedes DIN EN 585. (05/2002) Supersedes DIN EN 13918. (11/2009)
ONORM EN ISO 2503:2016 - Identical