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Chinese National Standards
中華民國國家標準
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"smaller " CNS Standards List

A-Civil Engineering & Architecture
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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