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ISO 20290-1 2021 Aggregates for concrete — Test methods for mechanical and physical properties — Part 1 Determination of bulk density, particle density, particle mass-per-volume and water absorption
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本文档由 于 2024-07-21 09:57:31上传分享
ISO 20290-1 2021 Aggregates for concrete — Test methods for mechanical and physical properties — Part 1 Determination of bulk density, particle density, particle mass-per-volume and water absorption
