33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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20 fev 1872 ano - Start period of the development of commercially successful mechanical calculators 1872
Adicionado na linha do tempo:
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By
Floofypanda
15 set 2017
0
0
659
Data:
20 fev 1872 ano
Agora
~ 153 years ago
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