"2,2’ " CNS Standards List| Fitting Dimensions | Determination Ester | Pocket Compasses | Grading rules | Method Determining | Polyvinyl Chloride | Method Acceleration | Flat Knurled | |
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CNS 1705
2020 Edition 2,2’- Bipyridyl (reagent) 化學試藥(2,2’–聯吡啶) |
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