Electricity metering - Data exchange for meter reading, tariff and load control - Part 53: COSEM application layer (IEC 62056-53:2006); German version EN 62056-53:2007, text in English— 150 стр.
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
