Objavljen
ISO 9138:2015 specifies the apparatus and the method for sampling and splitting of a lot of abrasive grains, to be used in the comparative testing of uniformly produced abrasive grains.
POVUČEN
ISO 9138:1993
OBJAVLJEN
ISO 9138:2015
90.93
Odluka o potvrđivanju standarda
5. 11. 2025.