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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]

NF S61-937-9
Fire safety systems - Operated safety devices - Part 9: relay circuitry cabinet for a smoke control fan

Title (German)

Brandschutzsysteme - Mechanisch betätigte Sicherheitseinrichtungen - Teil 9: Relaisschaltungsschrank für eine Brandbelüftungsanlage

Edition 2011-01-01

Original language French

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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

NF S61-937-9 Fire safety systems - Operated safety devices - Part 9: relay circuitry cabinet for a smoke control fan

Want to learn more?

NF S61-937-9
Fire safety systems - Operated safety devices - Part 9: relay circuitry cabinet for a smoke control fan