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Uninterruptible power systems (UPS). Part 5-3. DC output UPS. Performance and test requirements
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Unified system for design documentation. Graphic designations in schemes. Element of vacuum systems
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Automatic water and foam fire extinguishing installations. In-building fire pipeline. Non-metallic pipes and fittings. Test methods
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Robots and robotic devices. Service mobile robots. Remote control consoles. Classification
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