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ISO 6547:1981PublishedHydraulic fluid power — Cylinders — Piston seal housings incorporating bearing rings — Dimensions and tolerancesISO 6549:2026PublishedRoad vehicles — Procedure for H- and R-point determinationISO 6551:1982PublishedPetroleum liquids and gases — Fidelity and security of dynamic measurement — Cabled transmission of electric and/or electronic pulsed dataISO 6552:1980PublishedAutomatic steam traps — Definition of technical termsISO 6553:2016PublishedAutomatic steam traps — MarkingISO 6554:1980PublishedFlanged automatic steam traps — Face-to-face dimensionsISO 6555:1988PublishedShipbuilding — Topping winchesISO 6556:2012PublishedLaboratory glassware — Filter flasksISO 6557-1:1986PublishedFruits, vegetables and derived products — Determination of ascorbic acid — Part 1: Reference methodISO 6557-2:1984PublishedFruits, vegetables and derived products — Determination of ascorbic acid content — Part 2: Routine methodsISO 6558-2:1992PublishedFruits, vegetables and derived products — Determination of carotene content — Part 2: Routine methodsISO 6559:2024PublishedTraditional Chinese medicine — Sterile three-edge needle for single useISO 6560:1983PublishedFruit and vegetable products — Determination of benzoic acid content (benzoic acid contents greater than 200 mg per litre or per kilogram) — Molecular absorption spectrometric methodISO 6561-1:2005PublishedFruits, vegetables and derived products — Determination of cadmium content — Part 1: Method using graphite furnace atomic absorption spectrometryISO 6561-2:2005PublishedFruits, vegetables and derived products — Determination of cadmium content — Part 2: Method using flame atomic absorption spectrometryISO 6563:2025PublishedRear load carrier for wheeled vehicles — Requirements and test methodsISO 6565:2015PublishedTobacco and tobacco products — Draw resistance of cigarettes and pressure drop of filter rods — Standard conditions and measurementISO 6570:2001PublishedNatural gas — Determination of potential hydrocarbon liquid content — Gravimetric methodsISO 6571:2008PublishedSpices, condiments and herbs — Determination of volatile oil content (hydrodistillation method)ISO 6574:1986PublishedCelery seed (Apium graveolens Linnaeus) — SpecificationISO 6575:1982PublishedFenugreek, whole or ground (powdered) — SpecificationISO 6576:2004PublishedLaurel (Laurus nobilis L.) — Whole and ground leaves — SpecificationISO 6577:2002PublishedNutmeg, whole or broken, and mace, whole or in pieces (Myristica fragrans Houtt.) — SpecificationISO 6578:2025PublishedRefrigerated hydrocarbon liquids — Static measurement — Calculation procedureISO 6579-4:2025PublishedMicrobiology of the food chain — Horizontal method for the detection, enumeration and serotyping of Salmonella — Part 4: Identification of monophasic Salmonella Typhimurium (1,4,[5],12:i:-) by polymerase chain reaction (PCR)