US PATENT SUBCLASS 204 / 666
.~.~ Plural separate treatment chambers or zones

Current as of: June, 1999
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204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
660  DF  .~ Apparatus for electrical (including simultaneous electrical and magnetic) separation or purification of liquid or magnetic treatment of liquid (other than separation) {10}
666.~.~ Plural separate treatment chambers or zones

DEFINITION

Classification: 204/666

Plural separate treatment chambers or zones:

(under subclass 660) Apparatus having two or more physically separate areas to treat a liquid under separation.

(1) Note. The separate areas may be in different chambers or housed in the same chamber, provided that there are at least two clearly different and distinguishable zones for liquid treatment.