Metal bellows expansion joints for the pipelines of electric power stations and heat-supply systems. Types, basic parameters and general technical requirements
Methodology and metrological support of environmental management, monitoring and control systems. Systems for automatic control and accounting of emissions and discharges of pollutants at nitrogen fertilizer production facilities. Basic requirements
Electromagnetic compatibility of technical equipment. Immunity of computer and informatic equipment to electromagnetic disturbances. Requirements and test methods
€10
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