// todo need optimize like in event.jsp. Add indexing or not indexing this page. In the late 1980s, the first membrane keyboard was invented (19 авг 1980 г. – 31 дек 1980 г.) (Лента времени)
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In the late 1980s, the first membrane keyboard was invented (19 авг 1980 г. – 31 дек 1980 г.)

Добавлено на ленту времени:

Evolution of Keyboard

ByAum
1 окт 2018

Дата:

19 авг 1980 г.
31 дек 1980 г.
~ 4 months and 14 days
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