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2786955
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Information
Patent Grant
2786955
References
Source
Patent Number
2,786,955
Date Filed
Not available
Date Issued
Tuesday, March 26, 1957
67 years ago
CPC
H01J21/08 - with movable electrode or electrodes
H01J1/304 - Field-emissive cathodes
US Classifications
313 - Electric lamp and discharge devices
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