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3842469
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Patent Grant
3842469
References
Source
Patent Number
3,842,469
Date Filed
Not available
Date Issued
Tuesday, October 22, 1974
50 years ago
CPC
H01J9/045 - Activation of assembled cathode
H01J9/022 - of cold cathodes
US Classifications
445 - Electric lamp or space discharge component or device manufacturing
313 - Electric lamp and discharge devices
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