"Centrifugal prestressed " CNS Standards List| Photovoltaic devices | Chemical Reagent | Safety Code | Methods test | Wood − | Metric Taps | Information technology | Studs Stud | |
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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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