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LEDでコロナ退治! いいNEWSだね~
https://www.msn.com/ja-jp/news/techandscience/led%E5%85%89%E4%BD%BF%E3%81%A3%E3%81%9F%E3%82%B3%E3%83%AD%E3%83%8A%E6%B2%BB%E7%99%82%E6%A9%9F%E5%99%A8-%E7%B1%B3%E3%83%A1%E3%83%BC%E3%82%AB%E3%83%BC%E3%81%8C%E9%96%8B%E7%99%BA-%E3%83%87%E3%83%AB%E3%82%BF%E6%A0%AA%E3%82%9299-99-%E9%99%A4%E5%8E%BB/ar-AAOlbTc?ocid=msedgdhp&pc=U531
タグ:LEDでコロナ退治