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| Chinese National Standard List: Standards for discharge in rural areas |
|
DB46/ 475-2023 Discharge standard of water from aquaculture
Issued on: 2023-01-05 Price(USD): |
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DB31/T 1163-2019 Discharge standard of eater pollutants for rural sewage treatment facilities
Issued on: 2019-06-14 Price(USD): 105.0 |
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