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DIN EN ISO 17633/A1:2021-02

Проект
Welding consumables - Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels - Classification - AMENDMENT 1 (ISO 17633:2017/DAM 1:2020); German and English version EN ISO 17633:2018/prA1:2020