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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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2 juill. 1875 - Графитовая лампа накаливания
Description:
С. А. Козлов получил патент на лампу накаливания с телом накала в виде графитового стерженька, помещённого в стеклянной колбе, наполненной азотом
Ajouté au bande de temps:
Профессия электрик
By
Алина Кутнякова
25 nov. 2018
0
0
550
Date:
2 juill. 1875
Maintenaint
~ Il y a 150 ans
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