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jul 2, 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

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Профессия электрик

ByАлина Кутнякова

25 Nov 2018

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0

546

Date:

jul 2, 1875

Now

~ 150 years ago

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