"Counterbores" CNS Standards List| Iron ores | Method Test | Method test | Method oxalic | Hexagon Head | Method Measurement | Methods test | Method Photoelectric | |
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CNS 4807
2022 Edition Counterbores for Hexagon Socket Head Screws and Slotted Cheese Head Screws 柱坑(六角承窩頭螺釘與有槽平頂錐頭螺釘用) |
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CNS 4807
2020 Edition Counterbores for Hexagon Socket Head Screws and Slotted Cheese Head Screws 柱坑(六角承窩頭螺釘與有槽平頂錐頭螺釘用) |
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