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Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades

Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades, Total:2 items.

In the international standard classification, Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades involves: Energy and heat transfer engineering in general.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades

GB 24790-2009 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers

国家市场监督管理总局、中国国家标准化管理委员会, Power Transformer Energy Efficiency Allowable Values and Energy Efficiency Grades

GB 20052-2020 Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers