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ISO 497:1973

Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers

May 1, 1973

General information

90.60     Jun 5, 2025

ISO

ISO/TC 19

International Standard

17.020  

French   English  

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Published

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Scope

This is an additional guide to ISO 17 for selecting specified series with more rounded values. It shows the conditions for the use of these preferred numbers.

Life cycle

NOW

PUBLISHED
ISO 497:1973
90.60 Close of review
Jun 5, 2025

National adoptions

SSH ISO 497:2008  
DPS

Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers

60.60 Standard published

DPS/KT 12 more