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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 54-4/A2
Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A2

Title (German)

Brandmeldeanlagen - Teil 4: Energieversorgungseinrichtungen; Änderung A2

Edition 2006-10

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 54-4/A2 Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A2

Want to learn more?

SN EN 54-4/A2
Fire detection and fire alarm systems - Part 4: Power supply equipment; Amendment A2