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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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State system for ensuring the uniformity of measurements. State verification scheme for instruments measuring ethanol content in gaseous and liquid media
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State system for ensuring the uniformity of measurements. Dispersed characteristics of nanometric aerosols and suspensions. Terms and definitions
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Unified system of corrosion and ageing protection. Aluminium, magnesium and alloys. Methods of accelerated corrosion test
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