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Class Information
Number: 236/31
Name: Automatic temperature and humidity regulation > Closed fluid heaters > Pressure-operated > Float
Description: Devices in which the pressure acts on a body of liquid, thereby varying the level thereof, and a float or piston rising and falling with the change in level of the liquid operates the controlling means. Also includes devices where a float is raised more or less by change in pressure of steam thereunder when water boils.

Patents under this class:

Patent Number Title Of Patent Date Issued

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