"Tolerances Pipe " CNS Standards List| Canned straw | Pipe Flange | Method Test | Engineering Drawing | Copper Copper | Assembly tools | Electric Fans | N,N | |
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CNS 7120
2022 Edition Tolerances for Pipe Flange 管凸緣尺度公差 |
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CNS 7120
2020 Edition Tolerances for Pipe Flange 管凸緣尺度公差 |
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