LST EN 61987-1-2007 Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 1: Measuring equipment with analogue and digital output (IEC 61987-1:2006)
2007LST EN 61987-1-2007 Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 1: Measuring equipment with analogue and digital output (IEC 61987-1:2006)