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Class Information
Number: 236/19
Name: Automatic temperature and humidity regulation > Exchange heaters > Thermostatic > Expanding solid
Description: Devices controlling the supply of heating fluid to an exchange or surface heater directly by means of a thermostat of the expanding solid type responsive to the temperature of the fluid heater.

Patents under this class:

Patent Number Title Of Patent Date Issued
4206645 Proportional stroke automatic temperature control system Jun. 10, 1980

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