"Tolerances Pipe " CNS Standards List| Information technology | Electric fan | Information technology | Zinc Sulfate | Methods test | Assembly Tools | Cast Iron | Bees Wax | |
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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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