SNV SN EN ISO 11690-2 Acoustics – Recommended practice for the design of low-noise workplaces containing machinery

SNV SN EN ISO 11690-2 Acoustics – Recommended practice for the design of low-noise workplaces containing machinery – Part 2: Noise control measures

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SNV SN EN ISO 11690-2 Acoustics – Recommended practice for the design of low-noise workplaces containing machinery – Part 2: Noise control measures