"Dimethylbenzidine " CNS Standards List| Steel Die | Dynamo Lamp | ISO Metric | Welding − | Method test | Methods determination | Open Systems | 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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