ISO/TC 10
| Projekta Nr. | ISO 9177-2:2022 |
|---|---|
| Nosaukums | <p>This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings.</p> <p>Two types of black leads are available:</p> <p>— polymer leads (designated by the letter “P”);</p> <p>— ceramic leads (designated by the letter “C”).</p> |
| Reģistrācijas numurs (WIID) | 83353 |
| Darbības sfēra | <p>This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings.</p> <p>Two types of black leads are available:</p> <p>— polymer leads (designated by the letter “P”);</p> <p>— ceramic leads (designated by the letter “C”).</p> |
| Statuss | Standarts spēkā |
| ICS grupa | 97.180 01.100.40 |