ISO/TC 10
| Project No. | ISO 9177-3:2022 |
|---|---|
| Title | <p>This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.</p> |
| Registration number (WIID) | 83354 |
| Scope | <p>This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.</p> |
| Status | Standarts spēkā |
| ICS group | 97.180 01.100.40 |