Production of navigation devices, measuring instruments and control instruments
Wholesale in navigation instruments, measuring instruments and control instruments
Engineers and similar technical advisors, with the exception of surveyors
Manufacture of other instruments, measure, control or test appliances or machines: densimeters, aerometers, liquid measurement, thermometers, barometers, tachometers, taximeters, podometers, etc.
Development, assembling and maintenance of automatic production units, including several machines, handling equipments and appliances for centralized control