Abstract Preview

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.


General information

  • Status :  Published
    Publication date : 1973-04
  • Edition : 1
  • :
    ISO/TC 19
    Preferred numbers
  • 17.020
    Metrology and measurement in general

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