NF C44-470-1*NF EN 50470-1:2007 Electricity metering equipment (a.c.) - Part 1 : general requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
2007NF C44-470-1*NF EN 50470-1:2007 Electricity metering equipment (a.c.) - Part 1 : general requirements, tests and test conditions - Metering equipment (class indexes A, B and C)