ページの作成:「<br>The Edison bulb is named after the American inventor Thomas Edison. Nevertheless, Edison didn’t invent the light bulb. In 1878, Edison filed a patent for the primar…」
(ページの作成:「<br>The Edison bulb is named after the American inventor Thomas Edison. Nevertheless, Edison didn’t invent the light bulb. In 1878, Edison filed a patent for the primar…」)