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may 19, 1913 - Прорыв в карандашном деле

Description:

В России в 1913 году Гиндельман запатентовал свой механический карандаш, грифель которого двигался с помощью гайки в металлическом канале.

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История карандаша

Byанна
2 Nov 2018
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Date:

may 19, 1913
Now
~ 112 years ago
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