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     : Withdrawn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
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee
     : ISO/TC 10 Technical product documentation
  • ICS
     :
    97.180 Miscellaneous domestic and commercial equipment
    01.100.40 Drawing equipment

Life cycle

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