"Screw Hole " CNS Standards List |
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CNS 171
2017 Edition Screw and Hole for Sliding Key 滑鍵螺釘及孔 |
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CNS 4949
2017 Edition Tapping Screws, Applications and Core Holes 自攻螺釘，其應用及心孔直徑（薄板用） |
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CNS 171
1983 Edition Screw and Hole for Sliding Key 滑鍵螺釘及孔 |
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CNS 4949
1979 Edition Tapping Screws, Applications and Core Holes 自攻螺釘，其應用及心孔直徑（薄板用） |
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