"Grey " CNS Standards List |
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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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