ISO INTERNATIONAL STANDARD 20137 IULTCS IUC 36 Secondedition 2023-11 Leather Chemical tests Guidelines for testing critical chemicals in leather CuirEssais chimiquesLignes directrices pour les essais de produits chimiques critiques sur le cuir Reference numbers IS0 20137:2023(E) IULTCS/IUC 36:2023(E) IS02023 IS0 20137:2023(E) IULTCS/IUC 36:2023(E) COPYRIGHTPROTECTEDDOCUMENT @IS02023 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 on the internet or an intranet, without prior written permission. Permission can be requested from either Iso at the address 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: +4122 749 0111 Email:
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ISO 20137 2023 Leather — Chemical tests — Guidelines for testing critical chemicals in leat
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