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1 nov 1970 - Digital pocket calculator invented
Ajouté au bande de temps:
History & Dietetics
By
Katelynne Burghardt, MS, RDN, LD, CEDRD (She/Her)
22 avr. 2021
0
0
1488
Date:
1 nov 1970
Maintenaint
~ Il y a 55 ans
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