Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39969-2021 |
Test method of ventilation and rain resistance performance for ventilation louvers of building 建筑用通风百叶窗通风及防雨性能检测方法 |
China National Standards louvers |
 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 louvers |
English PDF |
| Find out:2Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
