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2977501
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Information
Patent Grant
2977501
References
Source
Patent Number
2,977,501
Date Filed
Not available
Date Issued
Tuesday, March 28, 1961
63 years ago
CPC
H01J29/708 - in which the transit time of the electrons has to be taken into account
US Classifications
315 - Electric lamp and discharge devices: systems
313 - Electric lamp and discharge devices
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