🌐EnglishEnglishEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیไทย한국어中文日本語EntityQ7012100· pop 49Category:Austrian inventorsWikimedia categoryAvailable in 47 languagesEspañolFrançais中文日本語РусскийPortuguêsItalianoالعربيةAlbanian