"Centrifugal prestressed " CNS Standards List| Square Heads | ISO Metric | 8 Quinolinol | Method Test | Oxygen self | Aluminium Hydroxide | Audio video, | Antifriction Metal | |
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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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