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EVS-EN ISO 15614-1:2017/A1:2019 Metallide keevitusprotseduuride spetsifitseerimine ja kvalifitseerimine : keevitusprotseduuri katse. Osa 1, Teraste kaar- ja gaaskeevitus ning nikli ja niklisulamite kaarkeevitus. Muudatus 1 = Specification and qualifica...