90.92 Standard to be revised May 25, 2023
ISO
ISO/TC 27/SC 4 Sampling
International Standard
73.040 Coals
Published
ISO 13909-4:2016 describes the preparation of samples of coal from the combination of primary increments to the preparation of samples for specific tests.
WITHDRAWN
ISO 13909-4:2001
PUBLISHED
ISO 13909-4:2016
90.92
Standard to be revised
May 25, 2023
IN_DEVELOPMENT
ISO/DIS 13909-4