Electrostatics. Protection of electronic devices from electrostatic phenomena. Properties and requirements classification for packaging intended for electrostatic discharge sensitive devices
United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic overfrequency protection devices. Norms and requirements
State system for ensuring the uniformity of measurements. Testing equipment for determination of resistance to clogging for respiratory protective devices particle filters. Verification method
€10
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