"Centrifugal prestressed " CNS Standards List| Plastics – | Welding Transformers | Nodular Graphite | Method Test | Road vehicles | Spring Collets | General rules | Household similar | |
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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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