ISO/TC 10
| Projekta Nr. | ISO 9177-3:2022 |
|---|---|
| Nosaukums | <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> |
| Reģistrācijas numurs (WIID) | 83354 |
| Darbības sfēra | <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> |
| Statuss | Standarts spēkā |
| ICS grupa | 97.180 01.100.40 |