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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/25
Name: Illumination > Illuminated scale or dial > Radiator water temperature meter
Description: Subject matter wherein the means bearing two or more markings indicates the temperature of the water or water vapor in a heat exchange device which transfers heat from water or water vapor to air.










Patents under this class:

Patent Number Title Of Patent Date Issued
8205996 System for light switch identification Jun. 26, 2012
4599816 Apparatus for illuminating passive liquid crystal displays (LCD's) Jul. 15, 1986











 
 
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