US PATENT SUBCLASS 162 / 330
.~.~.~.~ Fluid level control

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
289  DF  .~ Running or indefinite length product forming and/or treating means {19}
315  DF  .~.~ Means directing stock into contact with molding surface {7}
323  DF  .~.~.~ Immersion vat type (e.g., cylinder machine vat) {9}
330.~.~.~.~ Fluid level control

DEFINITION

Classification: 162/330

(under subclass 323) Apparatus provided with means to regulate the height of the pulp slurry contained within the immersion vat.