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3873869
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Patent Grant
3873869
References
Source
Patent Number
3,873,869
Date Filed
Not available
Date Issued
Tuesday, March 25, 1975
49 years ago
CPC
H01J3/24 - using permanent magnets only
H01J29/02 - Electrodes Screens Mounting, supporting, spacing or insulating thereof
US Classifications
313 - Electric lamp and discharge devices
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