With gas incorporating; fluid mixing, delivering, or conveying:
(under subclass 1) Subject matter for (1) incorporating air or gas with a material, or (2) having means for mixing, delivering and/or conveying a material through the medium of a fluid.
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3, for corresponding processes.
25, for apparatus for heating ingredients during mixing by direct application of heated cases thereto.
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222, Dispensing,
3+, for gas dispensing, 630+ for fluid flow discharge, and 195 for gas agitation.
406, Conveyors: Fluid Current, 86+, for moving material along a surface by means of or with the assistance of a fluid current issuing from the surface and incidentally agitating the material; and subclasses 136+ for agitation of material in a receptacle which feeds to a fluid current conveyor.
