Nova esmena de la Norma EN ISO 15614-1

Acaba de publicar-se la primera esmena ISO 15614-1:2017/DAmd 1 ("Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys - Amendment 1") que afecta exclusivament a l'estructura de subparàgrafs sense modificar-ne el contingut.