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NBN EN ISO 21987:2017
Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2017)
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Summary
ISO 21987:2017 specifies requirements and test methods for mounted spectacle lenses relative to the prescription order.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 09/22/2017 |
| Cancellation Date | 02/28/2018 |
| Page Count | 39 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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22/09/2017
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20/11/2009
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