"smaller" CNS Standards List| Method Test | Nonrigid PVC | Sulfuric Acid, | Method Test | Environmental management | Hydrogen fuel | Methods Noise | Method test | |
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CNS 490
2021 Edition Method of test for resistance to degradation of coarse aggregate (smaller then 37.5 mm) by abrasion and impact in the Los Angeles machine 粗粒料(37.5mm以下)洛杉磯磨損試驗法 |
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