"Dimethylbenzidine " CNS Standards List| Woven Towel | Glossary Terms | Method Test | Method test | Method Test | Chemical Reagent | Tempered glass | Method test | |
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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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