"Na₂O‧nSiO₂‧XH₂O Sodium" CNS Standards List| Work breakdown | Hexagon Bolts | Rolling Bearings | Method Test | Square Head | Methods test | Vinylon Ropes | Symbols Meters | |
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CNS 2238
2019 Edition Na₂O‧nSiO₂‧XH₂O Sodium Silicate 矽酸鈉 |
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