
Test procedure for thermal endurance of insulating resins and varnishes for impregnation purposes—Electric breakdown methods
NORMA vydaná dňa 30.7.2026
Designation standards: GB/T 27749-2026
Note: K dispozici od: únor 2027
Publication date standards: 30.7.2026
Country: Chinese technical standard
Kategória: Technické normy GB