DIN EN 12845-1:2022 Fixed firefighting systems - Automatic sprinkler systems - Part 1: Design, installation and maintenance; German and English version prEN 12845-1:2021, only on CD-ROM
2022DIN EN 12845-1:2022 Fixed firefighting systems - Automatic sprinkler systems - Part 1: Design, installation and maintenance; German and English version prEN 12845-1:2021, only on CD-ROM