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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic unloading devices in case of power overload. Norms and requirements
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Unified system for design documentation. Letter designations
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State system for ensuring the uniformity of measurements. Reference materials of composition of solid and disperse materials. Ways of homogeneity assessment
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Organic fertilizers on basis of waste of crop production and plant processing enterprises. Specifications
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Piezoelectric and electromechanical filters. Method for frequency response measurement
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Hexagon head pressure screws with point for foot for machine retaining devices. Design
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