"refractory " CNS Standards List |
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CNS 11639
2020 Edition Methods for Measuring Dimensions of refractory Bricks 耐火磚尺度測定法 |
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CNS 11223
2017 Edition Methods for Chemical Analysis of refractory Clay 耐火黏土化學分析法 |
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CNS 11223
1985 Edition Methods for Chemical Analysis of refractory Clay 耐火黏土化學分析法 |
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