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ISO 9177-3:1994

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

Standard Details

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Status : WITHDRAWN
Standard Type: Main
Document No: ISO 9177-3:1994
Document Year: 1994
Pages: 3
Edition: 1
  • Section Volume:
  • ISO/TC 10. Technical product documentation
  • ICS:
  • 01.100.40 Drawing equipment
  • 97.180 Miscellaneous domestic and commercial equipment

Life Cycle

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WITHDRAWN
ISO 9177-3:1994
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