US PATENT SUBCLASS 210 / 228
.~.~ With spacing frame

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

224  DF  SECTIONAL CHAMBER PRESS TYPE {5}
227  DF  .~ Medium clamped in joint {2}
228.~.~ With spacing frame

DEFINITION

Classification: 210/228

(under subclass 227) Apparatus in which the filtering medium is clamped at and between the peripheral edges of the spacing frames and filter plate sections.