China National Standards

China 21：Ladle GB Standards List

  •  China "21：Ladle" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 30839.21-2015 Energy consumption grading for industrial electroheat installations—Part 21：Ladle refining furnace
    工业电热装置能耗分等 第21部分：钢包精炼炉    		 China National Standards
    21：Ladle
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