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1898900
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Information
Patent Grant
1898900
References
Source
Patent Number
1,898,900
Date Filed
Not available
Date Issued
Tuesday, February 21, 1933
91 years ago
CPC
H01H33/7092 - characterised by several arcing chambers in series
US Classifications
218 - High-voltage switches with arc preventing or extinguishing devices
361 - Electricity: electrical systems and devices
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