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1275846
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Information
Patent Grant
1275846
References
Source
Patent Number
1,275,846
Date Filed
Not available
Date Issued
Tuesday, August 13, 1918
106 years ago
CPC
H01H51/02 - Non-polarised relays
US Classifications
335 - Electricity: magnetically operated switches, magnets, and electromagnets
218 - High-voltage switches with arc preventing or extinguishing devices
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