US PATENT SUBCLASS 15 / 91
.~.~ Stationary work

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

3  DF  MACHINES {11}
89  DF  .~ Beating {2}
91.~.~ Stationary work {1}
92  DF  .~.~.~> Portables

DEFINITION

Classification: 15/91

(under subclass 92) Cleaning-machines in which the cleaning is done by beating only and in which the work is stationary during the beating, except those in ....