"Proficiency testing" CNS Standards List| Iron ores | Quality Requirement | Method Test | Footwear − | Hexagon Head | Counter boring | Method Measurement | Method Photoelectric | |
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CNS 14828
2020 Edition Proficiency testing by interlaboratory comparisons(replaced by CNS 17043) 54kg普通鋼軌之剖面 |
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CNS 17043
2019 Edition Conformity assessment – General requirements for Proficiency testing 符合性評鑑－專業能力測試一般要求事項 |
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