BS EN ISO 11691:2020

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Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method|Air-conditioning systems, Sound sources, Frequencies, Ducts (building services), Test equipment, Acoustic equipment, Noise control devices, Acoustic measurement, Performance, Reproducibility, Noise control (acoustic), Silencers, Sound intensity, Test laboratories, Laboratory testing, Acoustics

134 GBP