Superseded
Draft standard
Historical
DIN EN ISO 7921:2023-04
Ophthalmic optics and instruments - Near vision charts (ISO/DIS 7921:2023); German and English version prEN ISO 7921:2023
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Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 04/01/2023 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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