"Pyrogallol " CNS Standards List| Ring Gauge | Specification qualification | 50Ω 75Ω | Method Test | Method test | Countersinks 120° | Dental Wrought | Hide Powder | |
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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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