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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]

NF S11-421-2 ; NF EN ISO 10322-2:2016-05-13
Ophthalmic optics - Semi-finished spectacle lens blanks - Part 2: specifications for progressive-power and degressive-power lens blanks

Title (German)

Augenoptik - Einseitig fertige Brillenglasblanks - Teil 2: Anforderungen an Gleitsich-Brillenglasblanks und Brillenglasbanks für degressive Brillengläser

Edition 2016-05-13

Original language French

Price from 61.80 €

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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

NF S11-421-2 ; NF EN ISO 10322-2:2016-05-13 Ophthalmic optics - Semi-finished spectacle lens blanks - Part 2: specifications for progressive-power and degressive-power lens blanks

Want to learn more?

NF S11-421-2 ; NF EN ISO 10322-2:2016-05-13
Ophthalmic optics - Semi-finished spectacle lens blanks - Part 2: specifications for progressive-power and degressive-power lens blanks