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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 фев 1919 г. - Amerykańscy fizycy wymyślają przekaźnik
Добавлено на ленту времени:
komputr
By
Klaudiusz Labrzycki
8 окт 2018
1
0
422
Дата:
28 фев 1919 г.
Сейчас
~ 106 г назад
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