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.
