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Class Information
Number: 4/210
Name: Baths, closets, sinks, and spittoons > Ventilation > Railway car
Description: Devices for ventilating railway-car closets.

Patents under this class:

Patent Number Title Of Patent Date Issued
6247191 Locomotive sanitation apparatus and method of protecting the same from freezing Jun. 19, 2001
5630233 Vehicle toilet vent apparatus May. 20, 1997
5369811 Vacuum toilet system with odor filter Dec. 6, 1994

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