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ÖVE/ÖNORM EN 62058-31:2011-05

Действует
Electricity metering equipment (a.c.) - Acceptance inspection - Part 31: Particular requirements for static meters for active energy (classes 0,2 S, 0,5 S, 1 and 2, and class indexes A, B and C) (IEC 62058-31:2008, modified) (english version)