Safety and control devices for gas and/or oil burners and gas and/or oil appliances - Particular requirements - Part 1: Fuel/air ratio controls, electronic type

Food authenticity - Determination of the δ13C value of mono- (fructose and glucose), di-, and trisaccharides in honey by liquid chromatography-isotope ratio mass spectrometry (LC-IRMS)

Food authenticity - Determination of the δ¹³C value of mono- (fructose and glucose), di-, and trisaccharides in honey by liquid chromatography-isotope ratio mass spectrometry (LC-IRMS); German version FprEN 17958:2024

IEC 60684-3-205 Ed. 1.0: Flexible insulating sleeving - Part 3: Specifications for individual types of sleeving -Sheet 205: Heat-shrinkable chlorinated polyolefin sleeving, flame retarded, nominal shrink ratio 1,7:1 and 2:1

IEC 61280-3-2 Ed. 1.0: Fiber optic communication subsystem basic test procedures - Part 3-2: Test procedures for analogue systems - Carrier-to-noise ratio measurement for video systems