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3340425
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Information
Patent Grant
3340425
References
Source
Patent Number
3,340,425
Date Filed
Not available
Date Issued
Tuesday, September 5, 1967
56 years ago
CPC
H01J27/12 - provided with an expansion cup
US Classifications
315 - Electric lamp and discharge devices: systems
060 - Power plants
250 - Radiant energy
313 - Electric lamp and discharge devices
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