Occupational safety standards system. Protective clothing for protection against liquid chemicals. Determination of materials resistance to liquids penetration
Plugs, socket-outlets, vehicle connectors and vehicle inlets. Conductive charging of electric vehicles. Part 2. Dimensional compatibility and interchangeability requirements for a.c. pin and contact-tube accessories
System of national standards for quality of telecommunication services. Quality of services of local, long-distance and international telephone communication. Normative values for quality indices of telephone calls
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