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BSI
BS ISO 5222-1:2023
En Vigor
2023-10-26
Heat recovery ventilators and energy recovery ventilators. Testing and
calculating methods for seasonal performance factor. Sensible heating
recovery seasonal performance factors of heat recovery ventilators (HRV)
BSI
BS EN 50121-2:2017
En Vigor
2017-01-31
Railway applications. Electromagnetic compatibility. Emission of the
whole railway system to the outside world
BSI
BS EN ISO 80601-2-70:2020
En Vigor
2020-11-30
Medical electrical equipment. Particular requirements for the basic
safety and essential performance of sleep apnoea breathing therapy equipment
BSI
24/30488724 DC
En Vigor
2024-11-15
BS ISO 5017 Dense shaped refractory products - Determination of bulk
density, apparent porosity and true porosity
