Personajes
Descripción / observaciones
ZU CHONGZCHI, matemático que vivió del 429-500 d.C., que calculó con precisión el nº pi=3,14159265
- Technical Information
Owner:
Category:
Format:
Color:
ultramar
Face value:
8
Year:
Stamp viewed:
113 times
State:
Used
Status:
Exhibition
Other information:
perforated stamp
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