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1863394
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Information
Patent Grant
1863394
References
Source
Patent Number
1,863,394
Date Filed
Not available
Date Issued
Tuesday, June 14, 1932
92 years ago
CPC
H01J13/06 - Cathodes
H01J13/10 - Containers for the liquid pool Arrangements or mounting thereof
H01J2893/0075 - Cathodic cups
US Classifications
313 - Electric lamp and discharge devices
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