ISO 3:1973 (R2020)
Active , Confirmed Standard
Most Recent

ISO 3:1973 (R2020)

Preferred numbers
Series of preferred numbers

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 04/01/1973
Confirmation Date 03/06/2020
Edition 1
Page Count 4
EAN ---
ISBN ---
Weight (in grams) ---
No products.

Previous versions

Contact us