"Normal Chordal " CNS Standards List| Rubber products | Method Test | Insulation coordination | Plug Gauge | Knurled Nuts | Method Test | Emergency Public | Standard test | |
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CNS 7578
2022 Edition Normal Chordal Tooth Thickness and Chordal Height of Spur Gears in the 0.5 System 0.5齒制正齒輪之弦齒厚及弦齒冠 |
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CNS 7578
2020 Edition Normal Chordal Tooth Thickness and Chordal Height of Spur Gears in the 0.5 System 0.5齒制正齒輪之弦齒厚及弦齒冠 |
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