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3696529
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Information
Patent Grant
3696529
References
Source
Patent Number
3,696,529
Date Filed
Not available
Date Issued
Tuesday, October 10, 1972
51 years ago
CPC
A63H33/22 - Optical, colour, or shadow toys
B43L13/203 - human, animal, or vegetal figures
G09B11/04 - Guide sheets or plates Tracing charts
US Classifications
434 - Education and demonstration
033 - Geometrical instruments
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