"Permeable concrete" CNS Standards List| Method Chemical | Synchronous digital | Tip Diameter | Electrotechnical products | Methods Test | Information technology | Cross Recessed | Heavy Flat | |
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CNS 14995
2023 Edition Permeable concrete paving blocks 透水性混凝土地磚 |
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CNS 14995
2018 Edition Permeable concrete paving blocks 透水性混凝土地磚 |
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