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BS EN ISO 4869-4:2000

M00000766

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15 August 2000 Acoustics. Hearing protectors. Measurement of effective sound pressure levels for level-dependent sound-restoration ear muffs

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$58.50

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$130.00

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Noise control (acoustic), Physical testing, Ear protectors, Sound insulation, Ear muffs, Sound intensity, Safety devices, Acoustic testing, Acoustics, Sound-level meters