"54kg " CNS Standards List| Hexagon Domed | Automobile tyres | ISDN primary | Contact Ratio | Polyester Spun | Method test | Half round | Audio , | |
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CNS 14828
2020 Edition Proficiency testing by interlaboratory comparisons(replaced by CNS 17043) 54kg普通鋼軌之剖面 |
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CNS 14827
2017 Edition Profiles of 54kg steel rails 60kg普通鋼軌之剖面 |
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