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Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Precision methods for reverberation test rooms

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Road vehicles. Mechanical properties of fasteners made of carbon steel and alloy steel. Part 3. Flat washers with speci- fied property classes

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Biotechnology. Biological products for medical use. Ancillary materials present during the production of cellular therapeutic products

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Dressed skins of snow leopard, leopard lynx, tiger and wild cat, natural or dyed. Specifications

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Non-destructive testing. Optic methods. General requirements

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Best available techniques. Waste disposal. Terms and definitions

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