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 a...
Abandoned · May 16, 1991 · 74167293 ·