"Centrifugal prestressed " CNS Standards List| Structural plywood | Breast Drills | Post Box | Crosslinked polyethylene | Iron ores─Methods | Method X | Signalling system | Conversion tables | |
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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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