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28 Dez 1815 Jahr - Безопасная шахтёрская лампа (лампа Дэви): Гемфри Дэви
Zugefügt zum Band der Zeit:
Научные открытия XIX века
By
Даниил Прошин
9 Jan 2020
0
0
379
Datum:
28 Dez 1815 Jahr
Jetzt
~ 209 years ago
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