(under subclass 564) Subject matter wherein plural diverse fluids are selectively applied to the material and then withdrawn from a single processing area.
(1) Note. This subclass includes means for supplying a liquid to a material processing tank, withdrawing the liquid, and repeating the sequence with a different liquid.
SEE OR SEARCH THIS CLASS, SUBCLASS:
, FOR 941, for a foreign art collection involving fluid-treating apparatus having a single station and plural fluids.
SEE OR SEARCH CLASS
134, Cleaning and Liquid Contact With Solids,
94.1+, for means for supplying or applying plural different fluids.