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3656019
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Information
Patent Grant
3656019
References
Source
Patent Number
3,656,019
Date Filed
Not available
Date Issued
Tuesday, April 11, 1972
52 years ago
CPC
H01J40/04 - Electrodes
H01J47/00 - Tubes for determining the presence, intensity, density or energy of radiation or particles
US Classifications
313 - Electric lamp and discharge devices
250 - Radiant energy
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