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| Chinese National Standard List: Underwater environmental condition and test method |
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DB34/T 4342-2022 Technical regulations for the healthy maintenance of inland waterways
Issued on: 2022-12-29 Translation Price(USD): |
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DB34/T 4767-2024 Guidelines for ecological evaluation of inland waterways engineering projects
Issued on: 2024-04-15 Translation Price(USD): |
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