"Pyrogallol " CNS Standards List| Small Size | Graphical Symbols | Zinc Oxide | Oil citronella, | Energy management | Emergency shut | High carbon | Manual scanning | |
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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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