Ermatov ZD, Rakhmatullaeva NT qizi, Galperin LV. INVESTIGATION OF METAL REFINING DURING ELECTRIC ARC WELDING. IST [Internet]. 2026 Oct. 1 [cited 2026 Oct. 15];2(10):195-9. Available from: https://www.ist-journal.uz/index.php/IST/article/view/1340