"Dimethylbenzidine" CNS Standards List| Yeast Powders | Flexible Metallic | Method Determining | Method Test | Hand held | Seating Bolts | Steel Pipes | Determination the | |
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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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