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Class Information
Number: 116/69
Name: Signals and indicators > Alarms > Rain
Description: Alarms operated by the fall of rain.










Patents under this class:

Patent Number Title Of Patent Date Issued
8614631 Flood data collection and warning mechanism Dec. 24, 2013
4949385 Apparatus and method for making precipitation audible Aug. 14, 1990











 
 
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