DIN EN ISO 2503/A1:2013-08
Отменен
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/DAM 1:2013); German version EN ISO 2503:2009/prA1:2013
