ISO/TR 21958:2019

Ophthalmic optics — Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses

STANDARD published on 18.9.2019

English -
electronic design (pdf) (199.20 USD)
English -
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French -
electronic design (pdf) (199.20 USD)
French -
Print design (199.20 USD)

The information about the standard:

Designation standards: ISO/TR 21958:2019
Publication date standards: 18.9.2019
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: International technical standard
Category: Technical standards ISO