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3655931
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Information
Patent Grant
3655931
References
Source
Patent Number
3,655,931
Date Filed
Not available
Date Issued
Tuesday, April 11, 1972
52 years ago
CPC
H01H33/91 - the arc-extinguishing fluid being air or gas
H01H33/34 - hydraulic
H01H33/44 - Devices for ensuring operation of the switch at a predetermined point in the ac cycle
US Classifications
218 - High-voltage switches with arc preventing or extinguishing devices
200 - Electricity: circuit makers and breakers
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