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FprEN 14211
Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
FprEN 16905-2
Gas-fired endothermic engine driven heat pumps - Part 2: Safety
DIN EN 14625
Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry; German version EN 14625:2024
DIN EN 14626
Ambient air - Standard method for the measurement of the concentration of carbon monoxide by non-dispersive infrared spectroscopy; German version FprEN 14626:2024
DIN EN 14212
Ambient air - Standard method for the measurement of the concentration of sulfur dioxide by ultraviolet fluorescence; German version FprEN 14212:2024
DIN EN IEC 60793-2-50
Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres (IEC 86A/2301/CDV:2023); German and English version prEN IEC 60793-2-50:2023
DIN EN 14211
Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence; German version FprEN 14211:2024
DIN IEC 61009-1
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs) - Part 1: General rules (IEC 23E/1224/CD:2020); Text in German and English
