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3. 3) Electroslag Electrogas Tips & Techniques, Bulletin of electrothermcorp., 1973.
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5. 6) S. Okano, Y. Obanya, K. Abe, K. Hosoi: Latest Technical Trends in Steel Plate and Action in Kobe Steel, Kobe Steel Eng. Reports, 58-1 (2008), 2-7.