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ISO 9180:1988 (R2020)
Black leads for wood-cased pencils
Classification and diameters
Classification and diameters
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Summary
La présente Norme internationale établit une classification et prescrit les diamètres des mines graphite utilisées pour les crayons à papier.
Notes
90.93 : Norme internationale confirmée
Technical characteristics
| Publisher | International Organization for Standardization (ISO) |
| Publication Date | 09/22/1988 |
| Confirmation Date | 12/21/2020 |
| Edition | 1 |
| Page Count | 1 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
22/09/1988
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