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ISO 349:2020

Hard coal — Audibert-Arnu dilatometer test
13 jan 2020

General information

90.92     2 shk 2026

ISO

ISO/TC 27/SC 5

International Standard

73.040  

anglisht  

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Publikuar

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Scope

This document specifies a method for determining the swelling properties of hard coal when heated under standard conditions in a dilatometer.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 349:1975

NOW

PUBLISHED
ISO 349:2020
90.92 Standard to be revised
2 shk 2026

REVISED BY

IN_DEVELOPMENT
ISO/CD 349