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2671377
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Information
Patent Grant
2671377
References
Source
Patent Number
2,671,377
Date Filed
Not available
Date Issued
Tuesday, March 9, 1954
70 years ago
CPC
G03B21/32 - Details specially adapted for motion-picture projection
G03B21/2026 - Gas discharge type light sources
H04N3/405 - with film moving only during the field blanking interval
US Classifications
352 - Optics: motion pictures
348 - Television
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