"Proportions" CNS Standards List| Ductile Cast | Silicon Manganese | Method test | Symbols Indication | Square Head | Spare Part | Portable Electric | Low Voltage | |
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CNS 3-15
2018 Edition Engineering Drawing (Geometrical Tolerancing - Proportions and Dimensions for Symbols) 工程製圖(幾何公差–符號之比例及尺度) |
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