DIN EN ISO 15614-1/A2:2019-09
Проект
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 2 (ISO 15614-1:2017/DAM 2:2019); German and English version EN ISO 15614-1:2017/prA2:2019
