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ISO 23753-1:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC)
ISO 23753-1:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 1: Method using triphenyltetrazolium chloride (TTC)
ISO 23753-2:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)
ISO 23753-2:2019 Soil quality — Determination of dehydrogenases activity in soils — Part 2: Method using iodotetrazolium chloride (INT)
ISO 27501:2019 The human-centred organization — Guidance for managers
ISO 27501:2019 The human-centred organization — Guidance for managers
ISO 6182-14:2019 Fire protection — Automatic nozzle systems — Part 14: Requirements and test methods for water spray nozzles
ISO 4869-6:2019 Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs
ISO 4869-6:2019 Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs
ISO 25178-600:2019 Geometrical product specifications (GPS) — Surface texture: Areal — Part 600: Metrological characteristics for areal topography measuring methods
ISO 25178-600:2019 Geometrical product specifications (GPS) — Surface texture: Areal — Part 600: Metrological characteristics for areal topography measuring methods
ISO 5167-6:2019 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 6: Wedge meters