ISO 3:1973 PDF
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Preferred numbers — Series of preferred numbers
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.
| Edition | 1973 |
|---|---|
| Standard Part No | :197 |
| Published Date | 1973 |
| Published By | International Standardization Organisation |
| Page Count | 4 |
