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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31432-2015 |
Dushan Yu—denomination and lassification 独山玉 命名与分类 |
China National Standards denomination |
 English PDF |
| GB/T 20502-2006 |
Type denomination for membrane modules and devices 膜组件及装置型号命名 |
China National Standards denomination |
English PDF |
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