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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

Technical rule [CURRENT]

OEVE HD 450.3 S1
Hearing aids - Part 3: Hearing aids equipment not entirely worn on the listener

Title (German)

Hörgeräte - Teil 3: Hörhilfen-Systeme, die nur zum Teil vom Benutzer getragen werden

Edition 1994-10-12

Original language German

Price from 65.13 €

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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

OEVE HD 450.3 S1 Hearing aids - Part 3: Hearing aids equipment not entirely worn on the listener

Want to learn more?

OEVE HD 450.3 S1
Hearing aids - Part 3: Hearing aids equipment not entirely worn on the listener