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BS EN ISO 11691:2020

M00000619

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02 December 2020 Acoustics. Measurement of insertion loss of ducted silencers without flow. Laboratory survey method

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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