"Length Bolt " CNS Standards List |
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CNS 3138
2022 Edition Length of Bolt and Length of Effective Thread Part for Square Head Bolts 方頭螺栓長度及螺紋長度 |
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CNS 3138
2020 Edition Length of Bolt and Length of Effective Thread Part for Square Head Bolts 方頭螺栓長度及螺紋長度 |
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CNS 3126
2020 Edition Bolts, Screws and Studs-Nominal Lengths, and Thread Lengths 螺栓、螺釘、螺樁之長度及螺紋長度 |
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