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Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers
STANDARD published on 1.5.1973
Designation standards: ISO 497:1973
Publication date standards: 1.5.1973
SKU: NS-432624
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Category: Technical standards ISO
Description / Abstract: 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.
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Latest update: 2025-08-12 (Number of items: 2 211 925)
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