DIN EN 50470-1 Berichtigung 1-2008 电学计量设备(交流电).第1部分:一般要求、试验和试验条件.测量设备(等级指数A、B和C).技术勘误DIN EN 50470-1(VDE 0418-0-1)-2007
Electricity metering equipment (a.c.) - Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C); German version EN 50470-1:2006, Corrigendum to DIN EN 50470-1 (VDE 0418-0-1):2007-05