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Project

FprEN 14625

Ambient air - Standard method for the measurement of the concentration of ozone by ultraviolet photometry

Project

FprEN 14211

Ambient air - Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence

Project

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

Project

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

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