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GB 27995.1-2011
GB 27995.1-2011 Semi-finished spectacle lens blanks—Part 1:Specifications for single-vision and multifocal lens blanks
Abstract
This part of GB 27995 specifies the optical and geometric performance requirements for single-vision and multifocal lens blanks.
This part applies to single-vision and multifocal lens blanks.
Note: The requirements for progressive lens blanks will be provided in GB 27995.2.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB 27995.1-2011 |
| CCS | Other daily necessities |
| ICS | Ophthalmic equipment |
| Implement Date | 2012-12-01 |
Price
$ 47
Subtotal
$ 47
Tax
$ 0.00
Order Total (incl. tax)
$ 47