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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]

SN EN 149+A1
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking

Title (German)

Atemschutzgeräte - Filtrierende Halbmasken zum Schutz gegen Partikeln - Anforderungen, Prüfung, Kennzeichnung

Edition 2009-09

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

SN EN 149+A1 Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking

Want to learn more?

SN EN 149+A1
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking