Description
Class B64G : COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
Subclass 1/26: Cosmonautic vehicles Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles Guiding or controlling apparatus, e.g. for attitude control (jet-propulsion plants F02K; navigation or navigational instruments, see the relevant subclasses, e.g. G01C; automatic pilots G05D 1/00) using jets