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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 3029-2025 |
Technical Specifications for Marine Ventilation Accessories {译} 船用通风附件技术条件 |
China National Standards Technical specification ventilation |
 English PDF |
| GB/T 39968-2021 |
Technical specification of ventilation louvers for building 建筑用通风百叶窗技术要求 |
China National Standards Technical specification ventilation |
English PDF |
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