Informational ensuring of equipment and operational activity. System «man–information». The process of information-exchange when carrying out human-information interactions activities
Electrical equipment and a. c. installations on up to 3 kV voltages and higher. Test methods of the electrical equipment insulation dielectric strength on the installation site
System of national standards for quality of telecommunication services. Quality of service of cellular mobile communication. Normative values for quality indices
€10
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