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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Doramad Radioactive Toothpaste ： ウィキペディア英語版 Doramad Radioactive Toothpaste Doramad Radioactive Toothpaste (''Doramad Radioaktive Zahncreme'') was produced in Germany by Auergesellschaft of Berlin from the 1920s through World War II. ==Development== The toothpaste was slightly radioactive because it contained small amounts of thorium obtained from monazite sands.〔 Auergesellschaft used thorium and rare earths in making industrial products including mantles for gas lanterns; the toothpaste was produced as a byproduct.〔 Its radioactive content was promoted as imparting health benefits, including antibacterial action and a contribution to strengthening the "defenses of teeth and gums".〔〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Doramad Radioactive Toothpaste」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.