US PATENT SUBCLASS 196 / 46.1
.~ With filtration

Current as of: June, 1999
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196 /   HD   MINERAL OILS: APPARATUS

46  DF  REFINING {1}
46.1.~ With filtration

DEFINITION

Classification: 196/46.1

(under subclass 46) Apparatus which also includes filtering means.

SEE OR SEARCH CLASS

210, Liquid Purification or Separation, for filters and for processes of filtering mineral oil, per se.