ISO INTERNATIONAL STANDARD 349 Second edition 2020-01 Hard coal Audibert-Arnu dilatometer test Houille-Essaiqu dilatometre Audibert-Arnu Referenccnumber IS0349:2020(E) ISO @ISO2020 IS0349:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2020 All rights reservcd. Unless otherwise specificd, or rcquired in thc context of its implemcntation, no part of this publication may beloworIso'smemberboclyinthe counlryofthe requesler. Iso copyright office CP 401 . Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122749 01 11 Fax: +41 22 749 09 47 Hmail: copyright@iso.org Wehsite: www.iso.org Published in Switzerland ii @IS0 2020-All rights reserved

ISO 349 2020 Hard coal — Audibert-Arnu dilatometer test

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