Eurostat, Luxembourg. 90258020 (01/1996-..) Barometers, not combined with other instruments: CN 90258015 /Exports /Unit = Quantities in tons /Partner: Belgium /Reporter: European Union /90258015:Hydrometers, Areometers and Similar Floating Instruments, Barometers, Hygrometers and Psychrometers, Whether or not Combined With Each Other or With Thermometers, for use in Civil Aircraft.