ISO 1920-4 2020 Testing of concrete — Part 4 Strength of hardened concrete

ISO INTERNATIONAL STANDARD 1920-4 Second edition 2020-01 Testing of concrete Part 4: Strength of hardened concrete Essais du béton - Partie 4: Résistance du béton durci Reference number IS01920-4:2020(E) @ISO 2020 IS0 1920-4:2020(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved

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本文档由人生无常于 2024-08-02 21:59:04上传分享