
Safety of transformers, reactors, power supply units and combinations thereof—Part 9: Particular requirements and tests for transformers and power supply units for bells and chimes
NORM herausgegeben am 29.8.2016
Designation standards: GB/T 19212.9-2016
Publication date standards: 29.8.2016
Country: Chinese technical standard
Kategorie: Technische Normen GB