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Class Information
Number: 236/70
Name: Automatic temperature and humidity regulation > Motors > Relay > Pyrometer galvanometer > With beating element
Description: Devices in which an additional beating element is used to press the pointer of the galvanometer onto the controlling-contacts at regular predetermined intervals.

Patents under this class:

Patent Number Title Of Patent Date Issued
4381075 Microprocessor based controller for heating system Apr. 26, 1983

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