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ISO 9177-2:2022

Mechanical pencils for technical drawings - Part 2: Black leads - Classification and dimensions

standard by International Organization for Standardization , 06/01/2022

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Full Description

This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings.

Two types of black leads are available:

— polymer leads (designated by the letter "P");
— ceramic leads (designated by the letter "C").

 

Product Details

Published:
06/01/2022
File Size:
1 file , 850 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 9177-2:2022

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    Mechanical pencils for technical drawings - Part 2: Black leads - Classification and dimensions

    • Most Recent

  2. ISO 9177-2:1989


    Mechanical pencils -- Part 2: Black leads -- Classification and dimensions

    • Historical Version