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EVS-EN ISO 17633:2018+A1:2021 Keevitusmaterjalid : täidistraadid ja -vardad roostevabade ja kuumakindlate teraste metallkaarkeevituseks kaitsegaasis ja kaitsegaasita. Liigitus = Welding consumables : tubular cored electrodes and rods for gas shielded a...
Eesti Standardimis- ja Akrediteerimiskeskus, Seltec (osaühing)