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15 feb 1801 anni - Люминесценция

Descrizione:

В. В. Петров произвёл впервые в мире исследования в области люминесценции твёрдых и жидких тел

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Профессия электрик

ByАлина Кутнякова

25 nov 2018

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550

Data:

15 feb 1801 anni

Adesso

~ 224 years ago

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