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IEC 60364-4-443:1995/AMD1:1998 ed2.0
Amendment 1 - Electrical installations of buildings - Part 4: Protection for safety - Chapter 44: Protection against overvoltages - Section 443: Protection against overvoltages of atmospheric origin or due to switching
5 стр.
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Разработчик:
Зарубежные/IEC
ICS:
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.