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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 5250-2014 |
Permeable sintered metal materials―Determination of fluid permeability 可渗透性烧结金属材料 流体渗透性的测定 |
China National Standards materials―Determination |
 English PDF |
| GB/T 9045-2006 |
Photography―Photographic materials―Determination of ISO resolving power 摄影 照相材料 ISO分辨力的测定 |
China National Standards materials―Determination |
English PDF |
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