ISO 20318-2:2019
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
Referenced standards
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ISO 20318-2:2019
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads
This document specifies classification, dimensions, quality and test methods for black leads used for mechanical pencils for general writing, as specified in ISO 20318-1.
| Edition | 2019 |
|---|---|
| Standard Part No | 2 |
| Published Date | 2019 |
| Published By | International Standardization Organisation |
| Page Count | 11 |