Data exchange for meter reading, tariff and load control - Local bus data exchange (IEC 61142:1993); German version EN 61142:1993 and Corrigendum:1993— 108 стр.
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
