{"type":"rich","version":"1.0","title":"Bài 38: Đèn sợi đốt","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/ZDu_sgAjwnrfb7h4/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/643bbfb20023c27adf6fb878\" frameborder=\"0\" allowfullscreen></iframe>"}