"True " CNS Standards List| Picks, Two | Assembly tools | High Manganese | Method oxalic | Method Test | General Rules | Method test | Method Test | |
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CNS 620
2020 Edition Method for determination of True density of refractory materials 耐火材料真密度測定法 |
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CNS 11738
2020 Edition Method of Test for Specific Gravity and True Porosity of Insulating Fire Bricks 絕熱耐火磚比重及真孔隙度試驗法 |
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