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2296643
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Information
Patent Grant
2296643
References
Source
Patent Number
2,296,643
Date Filed
Not available
Date Issued
Tuesday, September 22, 1942
82 years ago
CPC
H01J63/00 - Cathode-ray or electron-stream lamps
H01J2893/0031 - Tubes with material luminescing under electron bombardment
US Classifications
315 - Electric lamp and discharge devices: systems
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