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About This Item

 

Full Description

This part of ISO 9177 specifies a classification, dimensions, performance requirements and testing for hand-held mechanical pencils used for draughting and writing.

 

Document History

  1. ISO 9177-1:2016


    Mechanical pencils for technical drawings - Part 1: Classification, dimensions, performance requirements and testing

    • Most Recent
  2. ISO 9177-1:2011


    Mechanical pencils - Part 1: Classification, dimensions, performance requirements and testing

    • Historical Version
  3. ISO 9177-1:1989

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    Mechanical pencils -- Part 1: Classification, dimensions, performance requirements and testing

    • Historical Version