ISO 8624:1991 PDF
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Optics and optical instruments — Ophthalmic optics — Measuring system for spectacle frames
Specifies a measuring system based on the boxing-system which uses a rectangle as the basis for the determination of dimensions. Figure 1 shows a diagrammatic presentation of the measuring system.
| Edition | 1991 |
|---|---|
| Published Date | 1991 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
