"Dimethylbenzidine " CNS Standards List| Pump Liquefield | Method Test | Assembly Tools | Guide Tap | Method test | Welding procedure | Audible warning | Type G | |
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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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