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2458000
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Information
Patent Grant
2458000
References
Source
Patent Number
2,458,000
Date Filed
Not available
Date Issued
Tuesday, January 4, 1949
75 years ago
CPC
H03F3/54 - Amplifiers using transit-time effect in tubes or semiconductor devices
H03F1/13 - in discharge tube amplifiers
US Classifications
331 - Oscillators
315 - Electric lamp and discharge devices: systems
330 - Amplifiers
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