"Precast Concrete Cab" CNS Standards Search Result |
CNS 13541
- English Version Method of Test for Precast Concrete Cable Duct 預鑄混凝土電纜管組檢驗法 - 英文版 |
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CNS 14120
- English Version Precast Concrete Cable Duct 預鑄預力混凝土箱涵 - 英文版 |
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