Clasificación visual de los postes de madera para líneas aéreas.
Visual classification for wood overhead poles.
Classification visuelle des poteaux en bois pour lignes aériennes.
Buy on AENOR
See part of the content of the standard
29.240.20 / Power transmission and distribution lines
79.080 / Semi-manufactures of timber
CTN 56 - Wood and cork
It is cancelled by: UNE 56547:2018
