ISO 9177-3:2022
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ISO 9177-3:2022
83354

Abstract  Preview

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


General information 

  •  :  Published
     : 2022-01
  •  : 2
     : 4
  •  : ISO/TC 10 Technical product documentation
  •  :
    97.180 Miscellaneous domestic and commercial equipment
    01.100.40 Drawing equipment

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std 1 38 PDF + ePub
std 2 38 Paper
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