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Class Information
Number: 116/DIG.38
Name: Signals and indicators > Hot box alarm
Description:


Patents under this class:

Patent Number Title Of Patent Date Issued
4501006 Hot-box signalling devices Feb. 19, 1985
4119284 Railroad hotbox indicator Oct. 10, 1978
4113211 Hot box detector bearing discriminator circuit Sep. 12, 1978
4068811 Hotbox detector Jan. 17, 1978
3994458 Hot box detector system Nov. 30, 1976



 
 
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