REPRESENTACION SIMBOLICA DE LAS SOLDADURAS
WELDIND SIMBOLICAL REPRESENTATION.
Buy on AENOR
01.100.20 / Mechanical engineering drawings
25.160.40 / Welded joints and welds
CTN 14 - Welding and allied processes
ISO 2553:1974 (Non-equivalent)
It is cancelled by: UNE-EN 22553:1995
