Normas ISO

Earth-moving machinery — Machines utilizing electric rechargeable energy storage systems (RESS)

Fine bubble technology — Evaluation method for determining the reactive oxygen species in ultrafine bubble dispersions — Part 2: APF (3'-(p-aminophenyl) fluorescein) assay

Tourism and related services — Guidance on a contingency plan for infection prevention and control (IPC) in the exhibition industry

Belt drives — Classical and narrow V-belts — Lengths in datum system

Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for performance factor — Part 1: Sensible heating recovery seasonal performance factors of heat recovery ventilators (HRVs)

Paper and board — Testing of cores — Part 2: Conditioning of test samples