PDF
GB 27995.2-2011
GB 27995.2-2011 Semi-finished spectacle lens blanks—Part 2:Specifications for progressive power lens blanks
Abstract
This part of GB 27995 specifies the requirements for the optical and geometric performance of semi-finished progressive lens blanks.
This part is applicable to semi-finished progressive lens blanks.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB 27995.2-2011 |
| CCS | Other daily necessities |
| ICS | Ophthalmic equipment |
| Implement Date | 2012-12-01 |
Price
$ 44
Subtotal
$ 44
Tax
$ 0.00
Order Total (incl. tax)
$ 44