(under subclass 278) Apparatus wherein the fuel feeder discharges fuel at its terminus in a pattern coaxial of or surrounding the discharge terminus of the other fuel feed.
SEE OR SEARCH CLASS
239, Fluid Sprinkling, Spraying, and Diffusing,
448+, for a sprinkling or spraying device not specialized to combustion having selectively usable or variable diverse terminal elements one of which discharges centrally of another.
