BS EN ISO 5135:2020

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Acoustics. Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room|Air-distribution systems, Noise (environmental), Reverberation rooms, Acoustic testing rooms, Acoustic testing, Valves, Air control devices, Dampers (air conditioning), Acoustic measurement, Air diffusion, Testing conditions, Air-conditioning equipment, Air terminal devices, Acoustics, Sound intensity

186 GBP