ISO INTERNATIONAL STANDARD 3381 Third edition 2021-09 Railway applications - Acoustics Noise measurement inside railbound vehicles Applications ferroviaires - Acoustique - Mesurage du bruit a I'intérieur des vehicules circulant sur rails Reference number IS03381:2021(E) ISO @IS02021 IS0 3381:2021(E) COPYRIGHTPROTECTED DOCUMENT @IS02021 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting 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 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved

ISO 3381 2021 Railway applications — Acoustics — Noise measurement inside railbound

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