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IEC 60519-4:2006 ed3.0

Заменен
Safety in electroheat installations - Part 4: Particular requirements for arc furnace installations — 37 стр.
Is applicable to electroheat installations such as furnaces for direct arc heating (direct arc furnaces, submerged arc furnaces, ladle arc heating furnaces) and furnaces for indirect arc heating. The contents of the corrigendum of December 2008 have been included in this copy.
ICS
25.180.10 Electric furnaces / Электрические печи