US PATENT SUBCLASS 209 / *
.~.~ Rotating magnets

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

*  DD  MAGNETIC {2}
213  DF  .~ Paramagnetic {9}
*.~.~ Rotating magnets {4}
218  DF  .~.~.~> Belt
219  DF  .~.~.~> Cylinder external {1}
221  DF  .~.~.~> Cylinder internal
222  DF  .~.~.~> Disk