AERONAV

scientific apparatus and instruments for laboratory use, and for installation in vehicles, especially aircraft; apparatus and instruments for communications-, high-frequency-and control-technology; apparatus and instruments for control and direction; navigation, air-traffic, surveying, photographic, cinematographic, film, optical, weighing, measuring, signalling, checking, life-saving and teaching apparatus and instruments; apparatus for the recording, transmission and reproduction of sound and images; data-processing apparatus and computers; machine-readable carriers for stored programmes for data-processors and computers; apparatus and instruments for the directional control of aircraft, especially apparatus and instruments for measurement and for the transmission of instructions; containers adapted for use with apparatus and instruments included in this class

services of an engineer, a physicist and a chemist; the preparation of technical reports; the preparation and maintenance of programmes for data-processing