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3302990
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Information
Patent Grant
3302990
References
Source
Patent Number
3,302,990
Date Filed
Not available
Date Issued
Tuesday, February 7, 1967
57 years ago
CPC
H01H33/6683 - by gettering
H01J7/18 - Means for absorbing or adsorbing gas
H01J7/186 - Getter supports
US Classifications
445 - Electric lamp or space discharge component or device manufacturing
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