"Grey " CNS Standards List| Specified Items | Roller Chain | Shears Hedge | General Rules | Switches Door | Hand Crank, | Acoustics | Method Test | |
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CNS 3840
2019 Edition Textiles – Tests for colour fastness − Grey scale for assessing staining 紡織品－色牢度試驗法－污染評級用灰色標 |
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CNS 3839
2019 Edition Textiles – Tests for colour fastness − Grey scale for assessing change in colour 紡織品－色牢度試驗法－變褪色評級用灰色標 |
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