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ISO 490:1993PublishedCinematography — Magnetic stripes and magnetic recording head gaps for sound record on 16 mm motion-picture film perforated along one edge (Type 1) — Positions and width dimensionsISO 491:2002PublishedCinematography — 35 mm motion-picture film and magnetic film — Cutting and perforating dimensionsISO 492:2023PublishedRolling bearings — Radial bearings — Geometrical product specifications (GPS) and tolerance valuesISO 493:1975PublishedAircraft — Dimensions for single-hole mounting (Class 1 and Class 2) lever-operated manual switchesISO 494:2017PublishedCylindrical shank twist drills — Long seriesISO 497:1973PublishedGuide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbersISO 498:1992PublishedNatural rubber latex concentrate — Preparation of dry filmsISO 500-1:2014PublishedAgricultural tractors — Rear-mounted power take-off types 1, 2, 3 and 4 — Part 1: General specifications, safety requirements, dimensions for master shield and clearance zoneISO 500-3:2014PublishedAgricultural tractors — Rear-mounted power take-off types 1, 2, 3 and 4 — Part 3: Main PTO dimensions and spline dimensions, location of PTOISO 500-2:2004PublishedAgricultural tractors — Rear-mounted power take-off types 1, 2 and 3 — Part 2: Narrow-track tractors, dimensions for master shield and clearance zoneISO 501:2025PublishedHard coal — Determination of the crucible swelling numberISO 502:2025PublishedHard coal — Determination of caking power — Gray-King coke testISO 504:1975PublishedTurning tools with carbide tips — Designation and markingISO 505:2025PublishedConveyor belts — Method for the determination of the tear propagation resistance of textile conveyor beltsISO 506:2020PublishedRubber latex, natural, concentrate — Determination of volatile fatty acid numberISO 513:2012PublishedClassification and application of hard cutting materials for metal removal with defined cutting edges — Designation of the main groups and groups of applicationISO 514:2014PublishedTurning tools with carbide tips — Internal toolsISO 516:2019PublishedCamera shutters — Timing — General definition and mechanical shutter measurementsISO 517:2008PublishedPhotography — Apertures and related properties pertaining to photographic lenses — Designations and measurementsISO 518:2006PublishedPhotography — Camera accessory shoes, with and without electrical contacts, for photoflash lamps and electronic photoflash units — SpecificationISO 519:1992PublishedPhotography — Hand-held cameras — Flash-connector dimensionsISO 520:2010PublishedCereals and pulses — Determination of the mass of 1 000 grainsISO 521:2011PublishedMachine chucking reamers with cylindrical shanks and Morse taper shanksISO 522:1975PublishedSpecial tolerances for reamersISO 525:2020PublishedBonded abrasive products — Shape types, designation and marking