Subscribe to updates
ISO 9177-3:1994
Mechanical pencils -- Part 3: Black leads -- Bending strengths of HB leads
Media and price
| Price | Language | ||
|---|---|---|---|
| CHF 44,00 | Add to basket | ||
| Paper | CHF 44,00 | Add to basket |
Abstract
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
