"Refractoriness " CNS Standards List| Practice Operational | Sliding Speed | Symbols Relays | Adaptable Drill | Flash Cavity | Slotted Countersunk | Slotted Pan | Road vehicles | |
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CNS 621
2020 Edition Method of Test for Refractoriness Under Load of Refractory Bricks 耐火磚荷重耐火度試驗法 |
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