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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]

UL 521 ; ANSI 521:1999-02-19
Heat detectors for fire protective signaling systems

Title (German)

Wärmemelder für Brandmeldeanlagen

Edition 1999-02-19

Original language English

Price from 430.10 €

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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

UL 521 ; ANSI 521:1999-02-19 Heat detectors for fire protective signaling systems

Want to learn more?

UL 521 ; ANSI 521:1999-02-19
Heat detectors for fire protective signaling systems