Home›Browse›Category:Science and technology in Czechoslovakia🌐EnglishEnglishBahasa IndonesiaEspañolFrançaisItalianoPortuguêsSvenskaРусскийالعربية한국어中文EntityQ9255874· pop 19Category:Science and technology in CzechoslovakiaWikimedia categoryWikidata factsShow 1 more factCommons categoryScience and technology in Czechoslovakiavia Wikidata · CC0Available in 18 languagesEspañolFrançais中文РусскийPortuguêsItalianoالعربيةBahasa Indonesia