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19 maio 1913 ano - Прорыв в карандашном деле
Descrição:
В России в 1913 году Гиндельман запатентовал свой механический карандаш, грифель которого двигался с помощью гайки в металлическом канале.
Adicionado na linha do tempo:
История карандаша
By
анна
2 nov 2018
0
0
240
Data:
19 maio 1913 ano
Agora
~ 111 years ago
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