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ISO 23581:2020WithdrawnPetroleum products and related products — Determination of kinematic viscosity — Method by Stabinger type viscometerInternational Standard · Published 17 Jul 2020 · ISO/TC 28 ISO/TR 29662:2009WithdrawnPetroleum products and other liquids — Guidance for flash point testingTechnical Report · Published 24 Nov 2009 · ISO/TC 28