Engines, other than for land vehicles; gas turbines, other than for land vehicles; gasoline engines, other than for land vehicles; jet engines, other than for land vehicles; turbines, other than for land vehicles; turbojet engines for aircraft; turboprop engines for aircraft; diesel engines, other than for land vehicles; ramjet engines, other than for land vehicles; rocket engines, other than for land vehicles; compressed air engines, other than for land vehicles; driving motors, other than f...