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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 2. Methods to determine sound power levels for special reverberation test rooms
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Environmental management. Life cycle assessment. Critical review processes and reviewer competencies
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Traction rolling stock powered by hydrogen fuel cells railway. Part 2. Hydrogen fuel system. Technical requirements and measurements methods
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Kolinsky and solongoi skins dressed, natural and dyed. Specifications
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Electrometric measurement means. General technical requirements
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Best available techniques. Recycling of waste oils. Indicators to identify
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