2017DIN EN 50131-2-7-3:2017 Alarm systems - Intrusion and hold-up systems - Part 2-7-3: Intrusion detectors - Glass break detectors (active); German version EN 50131-2-7-3:2012 + A1:2013 + A2:2016
2014DIN EN 50131-2-7-3:2014 Alarm systems - Intrusion and hold-up systems - Part 2-7-3: Intrusion detectors - Glass break detectors (active); German version EN 50131-2-7-3:2012 + A1:2013
2012LST EN 15492-2012 Ethanol as a blending component for petrol - Determination of inorganic chloride and sulfate content - Ion chromatographic method