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3895709
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Information
Patent Grant
3895709
References
Source
Patent Number
3,895,709
Date Filed
Not available
Date Issued
Tuesday, July 22, 1975
48 years ago
CPC
H01J17/22 - Means for obtaining or maintaining the desired pressure within the tube
B23P15/00 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
US Classifications
206 - Special receptacle or package
220 - Receptacles
313 - Electric lamp and discharge devices
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