KS B ISO 5167-2:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 2: Orifice plates
2014KS B ISO 5167-2:2014 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 2: Orifice plates
2004KS B ISO 5167-2:2004 Measurement of fluid flow by means of pressure differential devices inserted in circular-cross section conduits running full-Part 2:Orifice plates