"Tolerances Pipe " CNS Standards List| Information technology | Shape, Dimensions | Knife Switches | Aluminium Conductors | Audio , | Method Test | Method Test | Information technology | |
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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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