ISO 9177-3:1994
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ISO 9177-3:1994
20426

Abstract 

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


General information 

  •  :  Withdrawn
     : 1994-07
  •  : 1
     : 3
  •  : ISO/TC 10 Technical product documentation
  •  :
    97.180 Miscellaneous domestic and commercial equipment
    01.100.40 Drawing equipment

Life cycle


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