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ISO 2481:1973PublishedSodium chloride for industrial use — Determination of halogens, expressed as chlorine — Mercurimetric methodISO 2482:1973PublishedSodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methodsISO 2483:1973PublishedSodium chloride for industrial use — Determination of the loss of mass at 110 degrees CISO 2490:2007PublishedSolid (monobloc) gear hobs with tenon drive or axial keyway, 0,5 to 40 module — Nominal dimensionsISO 2493-2:2020PublishedPaper and board — Determination of resistance to bending — Part 2: Taber-type testerISO 2493-1:2010PublishedPaper and board — Determination of bending resistance — Part 1: Constant rate of deflectionISO 2495:1995PublishedIron blue pigments — Specifications and methods of testISO 2503:2009PublishedGas 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 2505:2023PublishedThermoplastics pipes — Longitudinal reversion — Test method and parametersISO 2507:2026PublishedThermoplastics pipes and fittings — Vicat softening temperature — General test method and test conditions for vinyl chloride-based (PVC-U, PVC-C, PVC-HI) and acrylonitrile-based (ABS, ASA) pipes and fittingsISO 2509:1989PublishedSound-absorbing expanded pure agglomerated cork in tilesISO 2528:2017PublishedSheet materials — Determination of water vapour transmission rate (WVTR) — Gravimetric (dish) methodISO 2531:2009PublishedDuctile iron pipes, fittings, accessories and their joints for water applicationsISO 2533:1975PublishedStandard AtmosphereISO 2534:2020PublishedRoad vehicles — Engine test code — Gross powerISO 2535:2001PublishedPlastics — Unsaturated-polyester resins — Measurement of gel time at ambient temperatureISO 2537:2007PublishedHydrometry — Rotating-element current-metersISO 2538-1:2014PublishedGeometrical product specifications (GPS) — Wedges — Part 1: Series of angles and slopesISO 2538-2:2014PublishedGeometrical product specifications (GPS) — Wedges — Part 2: Dimensioning and tolerancingISO 2540:2016PublishedCentre drills for centre holes with protecting chamfer — Type BISO 2541:2016PublishedCentre drills for centre holes with radius form — Type RISO 2549:1972PublishedTextile floor coverings — Hand-knotted carpets — Determination of tuft leg length above the woven groundISO 2550:1972PublishedTextile floor coverings — Hand-made carpets — Determination of types of knotsISO 2551:2020PublishedTextile floor coverings and textile floor coverings in tile form — Determination of dimensional changes due to the effects of varied water and heat conditions and distortion out of planeISO 2553:2019PublishedWelding and allied processes — Symbolic representation on drawings — Welded joints