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2215648
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Information
Patent Grant
2215648
References
Source
Patent Number
2,215,648
Date Filed
Not available
Date Issued
Tuesday, September 24, 1940
84 years ago
CPC
H01J13/00 - Discharge tubes with liquid-pool cathodes
H01J61/16 - having helium, argon, neon, krypton, or xenon as the principle constituent
H01J2893/0095 - Tubes with exclusively liquid main electrodes
US Classifications
313 - Electric lamp and discharge devices
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