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Selenium technical. Methods of aluminum determination
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Window and door blocks. Requirements for ensuring safety during operation in buildings of preschool educational and educational institutions
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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Organization of pre-emergency telemetry information transfer to emergency control automation devices from dispatch centers of the subject of operational dispatch management in the electric power industry. Norms and requirements
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Gas/air controls for gas burners and gas burning appliances. Part 1. Pneumatic types
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Automobile roads of general use. Mineral materials for preparing asphalt mixtures. Volumetric-functional design system. Methods for determination of the maximum density of mineral powder
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