DSF/ISO/FDIS 9177-3
Mechanical pencils for technical drawings – Part 3: Black leads – Bending strengths of HB leads
inactive
| Organization: | DS |
| Status: | inactive |
| Page Count: | 13 |
| ICS Code (Drawing equipment): | 01.100.40 |
| ICS Code (Miscellaneous domestic and commercial equipment): | 97.180 |
scope:
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
Document History
March 16, 2022
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.
DSF/ISO/FDIS 9177-3
Mechanical pencils for technical drawings – Part 3: Black leads – Bending strengths of HB leads
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.