"tetrahydrate " CNS Standards List| Rubber Cutting | Steel Forgings | Micrographics | Medium Type | Woodruff Keys | Tommy Screws | Signal Quality | Gymnastic equipment | |
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CNS 1728
2020 Edition Iron (Ⅱ) chloride tetrahydrate (Reagent) 四水合氯化鐵（Ⅱ）（試藥） |
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CNS 1905
2020 Edition Potassium sodium (+)–tartrate tetrahydrate (Reagent) 化學試藥（硫酸鉀） |
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CNS 1796
2020 Edition Manganese（Ⅱ）chloride tetrahydrate (reagent） 四水合氯化錳（Ⅱ）（試藥） |
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