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NF ISO 9180, E04-709 (09/1989) (R2000)
Black leads for wood-cased pencils. 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.
Technical characteristics
| Publisher | Association Française de Normalisation (AFNOR) |
| Publication Date | 09/01/1989 |
| Release Date | 09/01/1989 |
| Confirmation Date | 01/01/2000 |
| Page Count | 1 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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01/09/1989
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, Reaffirmed
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