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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21829-2008 |
Testing of chemicals - Simulation test Aerobic sewage treatment - Aactivated sludge units 化学品 污水好氧处理模拟试验 活性污泥单元法 |
China National Standards Testing chemicals Activated |
 English PDF |
| GB/T 21796-2008 |
Testing of chemicals - Activated sludge, respiration inhibition test 化学品 活性污泥呼吸抑制试验 |
China National Standards Testing chemicals Activated |
English PDF |
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