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3821763
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Information
Patent Grant
3821763
References
Source
Patent Number
3,821,763
Date Filed
Not available
Date Issued
Friday, June 28, 1974
50 years ago
CPC
G03B41/026 - combined with slit
G02B13/00 - Optical objectives specially designed for the purposes specified below
G03B37/02 - with scanning movement of lens or cameras
US Classifications
396 - Photography
359 - Optical: systems and elements
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