2247273

ISO 9177-3:2022

Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads

standard by International Organization for Standardization , 02/01/2022

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About This Item

 

Full Description

This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.

 

Product Details

Published:
02/01/2022
File Size:
1 file , 920 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 9177-3:2022

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    Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads

    • Most Recent

  2. ISO 9177-3:1994


    Mechanical pencils -- Part 3: Black leads -- Bending strengths of HB leads

    • Historical Version