"Refractoriness " CNS Standards List| Tire Valves | Eye Bolts | Steel bars | Standard Conditions | Method test | Washed salt | Method plane | Appraisal requirements | |
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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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