Electroacoustics. Hearing aids. Part 13. Requirements and methods of measurement оf immunity to electromagnetic disturbances from digital wireless devices
Explosionproof electrical apparatus. Part 12. Classification of mixtures of gases or vapours with air according to their maximum experimental safe gaps and minimum igniting currents
State system for ensuring the uniformity of measurements. State special standard and all-union verification schedule for means measuring neutron flux density and fluence at nuclear installations
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