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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 7190.1-2018 |
Mechanical draft cooling towers—Part 1：Medium and small open cooling towers 机械通风冷却塔-第1部分：中小型开式冷却塔 |
China National Standards 1：Medium |
 English PDF |
| GB/T 30839.31-2014 |
Energy consumption grading for industrial electroheat installations―Part 31：Medium frequency coreless induction furnaces 工业电热装置能耗分等 第31部分：中频无心感应炉 |
China National Standards 1：Medium |
English PDF |
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