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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34152-2017 |
General principle of circular economy management for industrial enterprises 工业企业循环经济管理通则 |
China National Standards General principle circular |
 English PDF |
| GB/T 34143-2017 |
General principle for circular economic assessment of electrical and electronic products 电子电气循环经济产品评价通则 |
China National Standards General principle circular |
English PDF |
| GB/T 2624.1-2006 |
Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements 用安装在圆形截面管道中的差压装置测量满管流体流量 第1部分：一般原理和要求 |
China National Standards General principle circular |
English PDF |
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