"Dimethylbenzidine " CNS Standards List| Bushes Plain | Conversion tables | Control Timers | Screw Hole | Structural plywood | Method Test | Method Test | Amyl Acetate | |
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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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