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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]

OENORM EN 140
Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking

Title (German)

Atemschutzgeräte - Halbmasken und Viertelmasken - Anforderungen, Prüfung, Kennzeichnung

Edition 1998-12-01

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 140 Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking

Want to learn more?

OENORM EN 140
Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking