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Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for small movable sources in reverberant fields. Part 1. Comparison method for a hard-wall test room

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Non-magnetic coatings on magnetic substrates. Measurement of coating thickness. Magnetic method

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Biotechnology. Minimum requirements for optical signal measurements in photometric methods for biological samples

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Toasted soy-bean meal as livestock feed. Specifications

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Welded straight-seam pipes of aluminium alloys. Specifications

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Best available techniques. Disposal of products containing halogenated organic substances, including persistent organic pollutants. Indicators to identify

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