China National Standards

China ​​and GB Standards List

  •  China "​​and" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB-20052-2024 Energy efficiency limit values ​​and energy efficiency grades for power transformers {译}
    电力变压器能效限定值及能效等级    		 China National Standards
    ​​and
    English PDF
    GB-19577-2024 Energy efficiency limit values ​​and energy efficiency grades for heat pumps and chillers {译}
    热泵和冷水机组能效限定值及能效等级    		 China National Standards
    ​​and
    English PDF

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