"Precast reinforced c" CNS Standards Search Result |
CNS 15431
- English Version Precast reinforced concrete manhole for sewerage work 下水道用鋼筋混凝土預鑄人孔 - 英文版 |
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CNS 12330
- English Version Precast reinforced components for concrete fences 預鑄鋼筋混凝土圍牆組件 - 英文版 |
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