Símbolos Matemáticos - 1°Congreso de Cálculo Electrónico - Universidad Nacional

Símbolos Matemáticos - 1°Congreso de Cálculo Electrónico - Universidad Nacional

Caution
This fully reproduced in this stamp in other electronic or printed without the express permission of the owner.
If you are interested contact the owner Stamp: Herman Cudris Castañeda

Descripción / observaciones

Códigos: Michel:CO 1140 - Stamp Number:CO C510 - Yvert et tellier:CO PA491 - Stanley Gibbons:CO 1268 - Leo Temprano:CO 1174

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