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Class Information
Number: 236/41
Name: Automatic temperature and humidity regulation > Heating radiator > Exhaust operated > Thermostatic > With trap
Description: Subject matter in combination with an automatic trap for discharging the air and water of condensation.

Patents under this class:

Patent Number Title Of Patent Date Issued
5007582 Reduced pressure steam heat treating device Apr. 16, 1991
4527733 Check valve Jul. 9, 1985
3973173 Curtain control system for poultry houses Aug. 3, 1976

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