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ISO 9456:1991 PDF
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Optics and optical instruments — Ophthalmic optics — Marking of spectacle frames
Specifies the information to be marked and its location. Gives recommendations for further information in documentation accompanying the frames or available separately. Annex A is for information only.
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| Edition | 1991 |
|---|---|
| Published Date | 1991 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
