DIN EN ISO 15614-1/prA1:2018-09
Отменен
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 (ISO 15614-1:2017/DAM 1:2018); German and English version EN ISO 15614-1:2017/prA1:2018
