US PATENT SUBCLASS 210 / 223
.~ With additional separator

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

222  DF  MAGNETIC {1}
223.~ With additional separator

DEFINITION

Classification: 210/223

(under subclass 222) Apparatus in which there is at least one separating means, other than the magnet.