"Guide Petrographic" CNS Standards List| Rigid Acrylonitrile | Corrugated Aluminium | Low voltage | Method Test | Classification Dimensions | Information technology | Glossary Terms | Rigid cellular | |
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CNS 13617
2018 Edition Guide for Petrographic Examination of Aggregates for Concrete 混凝土粒料岩相分析指引 |
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