US PATENT SUBCLASS 210 / 157
.~.~.~ Revolving cylindrical strainer

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

153  DF  STRUCTURAL INSTALLATION {6}
154  DF  .~ Flume stream type {7}
156  DF  .~.~ Fluid stream or residue operated {1}
157.~.~.~ Revolving cylindrical strainer

DEFINITION

Classification: 210/157

(under subclass 156) Apparatus in which the separating medium is a cylindrical filter rotating about a central axis.