Reference number
ISO 9177-3:1994
© ISO 2024
ISO 9177-3:1994
Mechanical pencils — Part 3: Black leads — Bending strengths of HB leads
Edition 1
1994-07
Withdrawn
Withdrawn (Edition 1, 1994)

Abstract

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

General information

  • Status
     : Withdrawn
    Publication date
     : 1994-07
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 10
    ICS :
    97.180  01.100.40 
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