"Pyrogallic " CNS Standards List| Brinell hardness | Essential oils | Risk management | Risk management | Method Determining | Reliability Assured | Method Test | Torque type | |
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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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