US PATENT SUBCLASS 15 / 80
.~.~.~ Belt brush

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
21.1  DF  .~ Brushing {18}
78  DF  .~.~ Street sweepers {5}
80.~.~.~ Belt brush

DEFINITION

Classification: 15/80

Machines especially adapted for cleaning streets by means of a brush or broom in the form of an endless belt.

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21, 51 and 54.