Gas welding equipment -- Pressure regulators and pressure regulators with flowmetering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa)— 36 стр.
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) -- Amendment 1— 6 стр.
