"Duckfoot " CNS Standards List| Method Test | Austempered Spheroidal | Method Test | Method test | Method determination | Methods test | Two way | General Rule | |
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CNS 850
2022 Edition Ductile Cast Iron Special Castings for Pressure Main Lines, Double Flanged Duckfoot Bends. (DFDB) 壓力管路用延性鑄鐵管件–９０°雙凸緣連座彎管（ＤＦＤＢ） |
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CNS 8201
2022 Edition Ductile Cast Iron Special Castings for Pressure Main Lines, Duckfoot Bends 壓力管路用延性鑄鐵管件–９０°連座彎管 |
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CNS 850
2021 Edition Ductile Cast Iron Special Castings for Pressure Main Lines, Double Flanged Duckfoot Bends. (DFDB) 壓力管路用延性鑄鐵管件–９０°雙凸緣連座彎管（ＤＦＤＢ） |
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CNS 8201
2021 Edition Ductile Cast Iron Special Castings for Pressure Main Lines, Duckfoot Bends 壓力管路用延性鑄鐵管件–９０°連座彎管 |
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