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Chinese National Standards
中華民國國家標準
- Taiwan 台灣 -
　

"Unfinished Square" CNS Standards List

| Safety devices | Hexagon Socket | Edible alcohol | Essential oils | Fuel cell | Degrees protection | Light Exposure | Methods determination |
B-Mechanical Engineering
CNS 155    2020 Edition
Unfinished Square Washers (for Metric Bolts and Nuts)
粗製方墊圈（用於公制螺栓及螺帽）

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