"Dimethylbenzidine " CNS Standards List| Dried Herring | Method Test | Terms relating | Information Processing | Method test | Essential oils | Method Test | Zinc coated | |
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CNS 13255
2018 Edition O-Tolidine Dihydrochloride 3, 3'-Dimethylbenzidine Dihydrochloride 二氫氯化鄰聯甲苯胺(試藥) |
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