US PATENT SUBCLASS 15 / 55
.~.~.~ Rotary 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}
54  DF  .~.~ Rail sweepers {1}
55.~.~.~ Rotary brush

DEFINITION

Classification: 15/55

Cleaning-machines in which the cleaning instruments are rotary and of the brush or broom type and which are especially adapted for cleaning-railway-car trackage.

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78, -82, 87.