US PATENT SUBCLASS 162 / 374
.~.~.~ Wear face structures and materials

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}
363  DF  .~.~ Suction devices {6}
374.~.~.~ Wear face structures and materials

DEFINITION

Classification: 162/374

(under subclass 363) Apparatus in which the product bears against and slides relative to the suction device and some detail of the bearing surface is recited.