RESISTENCIAS DE LABORATORIO PARA CORRIENTE CONTINUA
LABORATORY D.C. RESISTORS.
Buy on AENOR
31.040.01 / Resistors in general
CTN 200 - Basic electrical standards
HD 249 S1:1978 (Identical)
IEC 60477:1974 (Identical)
It is cancelled by: UNE-EN 60477:1999