"Centrifugal prestressed " CNS Standards List| Counterbores Hexagon | Cast Steel | Glossary terms | Glossary Terms | Method Test | Method test | Polypropylene | Optical insertion | |
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CNS 14245
2019 Edition Centrifugal prestressed concrete pole (for communication line) 電信用離心法製預力混凝土電桿 |
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