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BS EN 62052-21:2004+A1:2017

Действует
Electricity metering equipment (a.c.). General requirements, tests and test conditions. Tariff and load control equipment — 44 стр.
ICS
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.