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Hydrogen Technologies Standards form the basic framework for market ramp-up
More information
Climate change Standards and specifications support climate targets
More information
Smart Farming Standards and specifications are drivers for the digitalization of agriculture
More information

Standards [CURRENT]

FD S11-495 ; FD ISO/TR 21958:2020-01-01
Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses

Title (German)

Augenoptik - Rohkantige fertige Brillengläser - Derzeitige technische Möglichkeiten von Prüfverfahren zur Beurteilung der Abriebfestigkeit von Brillengläsern

Edition 2020-01-01

Original language French

Price from 88.40 €

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Terminology

Hydrogen Technologies Standards form the basic framework for market ramp-up

Climate change Standards and specifications support climate targets

Smart Farming Standards and specifications are drivers for the digitalization of agriculture

FD S11-495 ; FD ISO/TR 21958:2020-01-01 Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses

Want to learn more?

FD S11-495 ; FD ISO/TR 21958:2020-01-01
Ophthalmic optics - Review of the test methods used to assess scratch and abrasion resistance of spectacle lenses