72.19.Z - Other research and experimental development on natural sciences and engineering
26.11.Z - Manufacture of electronic components
26.51.Z - Manufacture of instruments and appliances for measuring, testing and navigation
28.99.Z - Manufacture of other special-purpose machinery n.e.c.
32.12.Z - Manufacture of jewellery and related articles
32.50.Z - Manufacture of medical and dental instruments and supplies
47.77.Z - Retail sale of watches and jewellery
71.20.B - Inspection and issuance of opinions on the technical condition of chimneys and ventilation ducts
74.90.Z - Other professional, scientific and technical activities not elsewhere classified
77.40.Z - Leasing of intellectual property and similar products, except copyrighted works
