"Pyrogallic " CNS Standards List| Cast iron | Method Test | 1,10 Phenanthroline,monohydrate | Symbols Indication | Method test | Ballast high | 600V Grade | Safety requirements | |
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CNS 14293
2020 Edition Pyrogallol Pyrogallic Acid 1,2,3-Trihydroxybenzene 實驗室用參考示溫錐 |
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