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IEC 60034-18-31:1992/AMD1:1996 ed1.0

Заменен
Amendment 1 - Rotating electrical machines - Part 18: Functional evaluation of insulation systems - Section 31: Test procedures for form-wound windings - Thermal evaluation and classification of insulation systems used in machines up to and including 50 MVA and 15 kV — 5 стр.
IEC 60034-18-31:1992/AMD1:1996 ed1.0
Заменен
IEC 60034-18-31:2012 ed2.0
Действует