"Centrifugal prestressed " CNS Standards List| Method Test | Chlorosulfonic Acid | Secondary cells | Methods measurements | P Methylaminophenol | Ductile Cast | Small medical | Method Test | |
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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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