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3632199
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Patent Grant
3632199
References
Source
Patent Number
3,632,199
Date Filed
Not available
Date Issued
Tuesday, January 4, 1972
52 years ago
CPC
G03B23/125 - the pictures being attached to a chain or linked up to form a chain
US Classifications
353 - Optics: image projectors
327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
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