US PATENT SUBCLASS 210 / 158
.~.~ With cleaner for movable 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}
158.~.~ With cleaner for movable strainer

DEFINITION

Classification: 210/158

(under subclass 154) Apparatus including means for cleaning the filter which is movable.