US PATENT SUBCLASS 210 / 265
.~ With gravitational separator

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

263  DF  PARTICULATE MATERIAL TYPE SEPARATOR, E.G., ION EXCHANGE OR SAND BED {13}
265.~ With gravitational separator

DEFINITION

Classification: 210/265

(under subclass 263) Apparatus combined with a gravitational separator.