"carbonohydrazide " CNS Standards List| Corrosion metal | Method chemical | Welding consumables | Ridge Type | Bromine | Feeding bottles | Pan Shovel | Oil rosemary | |
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CNS 1703
2020 Edition 1, 5-Diphenyl carbonohydrazide(reagent) 化學試藥(1,5–二苯基代碳醯二肼) |
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