ISO/TR TECHNICAL REPORT 20174 Second edition 2020-06 Welding Grouping systems for materials Japanese materials Soudage Systemes de groupement des matériaux - Matériaux japonais Reference number ISO/TR 20174:2020(E) ISO @ IS0 2020 IS0/TR 20174:2020(E) COPYRIGHT PROTECTED DOCUMENT IS0 2020 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: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2020 - All rights reserved

ISO TR 20174 2020 Welding — Grouping systems for materials — Japanese materials

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