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Children's playgrounds equipment and surfacing. Safety of structure and test methods for fully enclosed play 'equipment. General requirements
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Electric power systems. Operational dispatching control. Automatic emergency control of operation of power systems. Emergency automatics control of power systems. Norms and requirements
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Unified system for design documentation. Types and sets of design documentation
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State system for ensuring the uniformity of measurements. Direct current electronic analogue voltmeters. Methods and means of calibration
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