Objavljen
ISO 9980:2012 specifies the methods of checking the regularity of the grooves and pulleys for V-belts specified in the system based on effective width. The grooved pulleys can be designed for use with classical or narrow V-belts. The V-belts can be either single or joined units.
POVUČEN
ISO 9980:1990
OBJAVLJEN
ISO 9980:2012
90.93
Odluka o potvrđivanju standarda
4. 12. 2023.
Kaišni prenosnici – Ožlebljeni kaišnici za klinaste kaiševe (sistem zasnovan na efektivnoj širini) – Geometrijska kontrola žlebova
90.93 Odluka o potvrđivanju standarda