ISO INTERNATIONAL STANDARD 16972 Second edition 2020-03 Respiratory protective devices Vocabulary and graphical symbols Appareils de protection respiratoire - Vocabulaire et symboles graphiques Reference number IS0 16972:2020(E) ISO @ISO2020 IS0 16972:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may 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 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 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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