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3134691
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Information
Patent Grant
3134691
References
Source
Patent Number
3,134,691
Date Filed
Not available
Date Issued
Tuesday, May 26, 1964
60 years ago
CPC
H01J1/22 - Heaters
H01J9/08 - Manufacture of heaters for indirectly-heated cathodes
Y10T428/2949 - Glass, ceramic or metal oxide in coating
US Classifications
428 - Stock material or miscellaneous articles
313 - Electric lamp and discharge devices
427 - Coating processes
502 - Catalyst, solid sorbent, or support therefor: product or process of making
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