US PATENT SUBCLASS 396 / 565
.~ Having fluid filter

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
565.~ Having fluid filter

DEFINITION

Classification: 396/565

Having fluid filter:

(under subclass 564) Subject matter including a device which removes undesired particulate matter from the treatment fluid.