DIN - German Institute for Standardization

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

OENORM EN ISO 11381
Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)

Title (German)

Augenoptik - Brillenfassungen - Schraubgewinde (ISO 11381:2016)

Edition 2017-02-15

Original language German

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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

OENORM EN ISO 11381 Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)

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OENORM EN ISO 11381
Ophthalmic optics - Spectacle frames - Screw threads (ISO 11381:2016)