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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of modes of power systems. Pulse and long-term unloading of turbines. General requirements and test procedure
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State system for ensuring the uniformity of measurements. State special standard and state verification schedule for instruments measuring surface roughness parameters Rmax, Rz in range from 0,001 to 3000 µm and Ra in range from 0,001 to 750 µm
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Information technology. Biometrics. Biometric presentation attack detection. Part 3. Testing and reporting
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High-pressure mercury vapour lamps. Performance specifications
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Circular all-cast moulding boxes of aluminium and magnesium alloys having inside diameter 600 mm, height 250; 300 mm. Construction
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