Práctica recomendada para el examen de las uniones soldadas mediante la utilización de líquidos penetrantes.
RECOMENDED PRACTICE FOR LIQUID PENETRANT TESTING IN THE WELDED JOINTS.
Buy on AENOR
25.160.40 / Welded joints and welds
CTN 14 - Welding and allied processes
It is cancelled by: UNE-EN 571-1:1997
