DIN - German Institute for Standardization

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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 228
Door closers-holders with or without integral smoke detectors

Title (German)

Türschließer und -halter mit oder ohne eingebaute Rauchmelder

Edition 2006-01-26

Original language English

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Table of contents

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DIN SPEC

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Terminology

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 228 Door closers-holders with or without integral smoke detectors

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UL 228
Door closers-holders with or without integral smoke detectors