IS 17772 : Part 2 : 2022
Current
Current
The latest, up-to-date edition.
Ophthalmic optics Semi-finished spectacle lens blanks Part 2: Specifications for progressive-power and degressive-power lens blanks
Available format(s)
Hardcopy
Language(s)
English
Published date
25-04-2022
Publisher
| Committee |
MHD 5
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
Bureau of Indian Standards
|
| Status |
Current
|
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