80/717/EEC: Commission Decision of 7 July 1980 finding that the conditions required for the admission free of Common Customs Tariff duties of the scientific apparatus described as 'TSI laser anemometer system, consisting of: 1090 tracking system, 925 laser and base, 901-2 polarization rotator, 910-2 transmitting optics, 930 receiving optics, 960 photomultiplier system, 980-2 frequency shifter' , are fulfilled.