Russian standards PDF

Testing of chemicals of environmental hazard. Simulation Tests to Assess the Biodegradability of Chemicals Discharged in Wastewater

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Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW. Terminology, requirements, test methods and marking

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Automobile roads of general use. Soils and type of terrain classification

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Mining equipment. Longwall powered roof shocks. Section of support. General specifications

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Refrigerating systems and heat pumps. Safety and environmental requirements. Part 1. Definitions, classification and selection criteria

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Electric equipment for railway rolling stock. Part 1. General service conditions and specifications

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