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3440428
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Information
Patent Grant
3440428
References
Source
Patent Number
3,440,428
Date Filed
Not available
Date Issued
Tuesday, April 22, 1969
55 years ago
CPC
H01J31/52 - having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen
US Classifications
250 - Radiant energy
257 - Active solid-state devices
313 - Electric lamp and discharge devices
315 - Electric lamp and discharge devices: systems
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