Standard

ISO 3:1973

Published

Corrigendums and amendments are bought separately.

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Abstract

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.

Document information

  • Standard from ISO
  • Published:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 17.020
  • ISO TC ISO/TC 19

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