"enamels" CNS Standards List| Cold finished | Seamless Steel | Method Test | Sodium hydroxide | Signalling system | Electric vehicle | Pins Adjustable | Conversion tables | |
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CNS 6850
2022 Edition Method of test for color retention of red, orange and yellow porcelain enamels 紅、橙及黃色搪瓷之色彩保持試驗法 |
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CNS 6850
2019 Edition Method of Test for Color Retention of Red, Orange and Yellow Porcelain enamels 紅、橙及黃色搪瓷之色彩保持試驗法 |
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