System of national standards for quality of telecommunication services. Management of quality communications services. Monitoring of quality communications services
Self-defense gas arms. Mechanical sprayers, gas-pressure and other devices with teary or irritating materials. Safety requirements. Types and methods of control during safety certification tests
Test for electric cables under fire conditions. Сircuit integrity. Part 2. Test method for fire with shock at a temperature of at least 830 °C for cables of rated voltage up to and including 0,6/1,0 kV and with an overall diameter not exceeding 20 mm
€10
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