Reference number
ISO 3:1973
ISO 3:1973
© ISO 2024
International Standard
ISO 3:1973
Preferred numbers — Series of preferred numbers
Edition 1
1973-04
1973-04
ISO 3:1973
3564
Publicado
(Edición 1, 1973)
Esta publicación se revisó y confirmó por última vez en 2020.
Por lo tanto, esta versión es la actual.
Resumen
Preferred numbers are the conventionally rounded of term values of geometrical series, including the integral powers of 10 and having as ratios special factors in accordance with the specified tables. Basic, expectional, R 80 and derived series are designated.