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Class Information
Number: 236/99B
Name: Automatic temperature and humidity regulation > Thermostatic > Expanding fluid > Nonvalving device
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
7828224 Air conditioning diffuser having function of automatically changing air supply direction Nov. 9, 2010
5266779 Fail safe control device Nov. 30, 1993
4691097 Fail safe safety control device Sep. 1, 1987
4596361 Safety control Jun. 24, 1986
3960124 Pollutant emission control system and a combined electric switch and temperature responsive valve thereof Jun. 1, 1976











 
 
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