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ISO 9177-3

Mechanical Pencils - Part 3: Black Leads - Bending Strengths of HB Leads First Edition

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Organization: ISO
Publication Date: 1 January 1994
Status: active
Page Count: 6
ICS Code (Drawing equipment): 01.100.40
ICS Code (Miscellaneous domestic and commercial equipment): 97.180

Document History

October 27, 2021
Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
ISO 9177-3
January 1, 1994
Mechanical Pencils - Part 3: Black Leads - Bending Strengths of HB Leads First Edition
A description is not available for this item.

References

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