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2434517
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Patent Grant
2434517
References
Source
Patent Number
2,434,517
Date Filed
Not available
Date Issued
Tuesday, January 13, 1948
76 years ago
CPC
H01J9/045 - Activation of assembled cathode
US Classifications
445 - Electric lamp or space discharge component or device manufacturing
174 - Electricity: conductors and insulators
313 - Electric lamp and discharge devices
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