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BSI
BS EN IEC 61169-54:2021
En Vigor
2021-11-03
Radio frequency connectors. Sectional specification for coaxial
connectors with 10 mm inner diameter of outer conductor, nominal
characteristic impedance 50 Ω, Series 4,3-10
BSI
24/30466864 DC
En Vigor
2024-01-26
BS ISO 5222-3 Heat recovery ventilators and energy recovery ventilators
-Testing and calculating methods for seasonal performance factor. Part
3: Annual sensible heating and cooling recovery performance factor of
heat recovery ventilators
BSI
BS ISO 5273:2025
En Vigor
2025-01-31
Passenger car tyres. Preparation method for an artificially worn state
for wet grip testing
BSI
22/30427231 DC
En Vigor
2022-01-25
BS EN ISO 12870. Ophthalmic optics. Spectacle frames. Requirements and
test methods










