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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| HJ 442.4-2020 |
Technical Specifications for Environmental Monitoring in Offshore Sea Areas Part Four: Monitoring of Sediments in Offshore Sea Areas ( {译} 近岸海域环境监测技术规范 第四部分 近岸海域沉积物监测》（ |
China Environment Industry
Standards Four: |
 English PDF |
| YD/T 1322.4-2004 |
Electronic commerce technical specification. Part Four:presentation layer syntax of voucher 电子商务技术要求 第四部分:票据的表示层句法 |
China Telecommunication
Standards Four: |
English PDF |
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