GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electrical machines from tests(excluding machines for traction vehicles) (English Version)
2018GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electrical machines from tests(excluding machines for traction vehicles)
2010GB/T 25442-2010 Standard methods for determining losses and efficiency of rotating electrical machines from tests(excluding machines for traction vehicles)