"Rectangular Lock" CNS Standards List| Methods Determination | Pipe Flange | Folder guide | Tinned Hard | Chemical Reagent | Acoustics | Method Test | Information technology | |
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CNS 158
2020 Edition Rectangular Lock Washers (for Metric Bolts and Nuts: M3 - M52) 長方形防鬆墊圈(用於螺釘及螺帽M3至M52) |
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