US PATENT SUBCLASS 68 / 134
.~.~ Impellers

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


68 /   HD   TEXTILES: FLUID TREATING APPARATUS

3 R  DF  MACHINES {22}
131  DF  .~ Impulsing {2}
134.~.~ Impellers

DEFINITION

Classification: 68/134

The structure of the impeller, per se.