Russian standards PDF
United power system and isolated power systems. Relay protection and automation. Collection, storage and automatic transfer to dispatch centers of files with recorded fault data. Norms and requirements
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Major mobile communication functions for person with hearing disabilities. General requirements
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Pipeline valves. Brass ball valves. General specifications
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Oil and gas industry. Well-logging apparatus. General specifications
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Layout profile products from wood-polymeric composite. Specifications
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Thermal insulation materials for building and construction based on polyurethane (PU) and polyisocyanurate (PIR) foam applied in situ Polyurethane and polyisocyanurate rigid foam systems before application. Specifications
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