Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 51410-2020 |
Technical standard for application of firestop in buildings 建筑防火封堵应用技术标准 |
China National Standards firestop |
 English PDF |
| GB 23864-2009 |
firestop material 防火封堵材料 |
China National Standards firestop |
English PDF |
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