China National Standards

China 33：Mains GB Standards List

  •  China "33：Mains" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 30839.33-2015 Energy consumption grading for industrial electroheat installations—Part 33：Mains frequency coreless induction furnace
    工业电热装置能耗分等 第33部分：工频无心感应炉    		 China National Standards
    33：Mains
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