"phenylenediamine" CNS Standards List| Methods determination | Accuracy Inspection | Information technology | C Washers | Methods test | Iron ores─Methods | Cast manganese | Flat Quick | |
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CNS 9517
2020 Edition Chemical Reagent (O-phenylenediamine) 化學試藥（鄰苯二胺） |
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CNS 9411
2020 Edition Chemical Reagent (P - phenylenediamine) 化學試藥（對苯二胺） |
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