"Finishes Tolerances" CNS Standards List |
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CNS 4238
2020 Edition Finishes and Tolerances of Bolts, Screws, Studs, and Nuts 螺栓、螺釘、螺樁、螺帽之加工精度及許可差 |
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CNS 4354
2020 Edition Finishes and tolerances for product grade of screws and nuts 螺釘與螺帽之加工精度及公差(特精級) |
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