Home›Intellectual property law›附加保護證書🌐中文EnglishDeutschFrançaisItalianoالعربية中文EntityQ456854· pop 6· linked from 115 articles附加保護證書Type of intellectual property rightAvailable in 6 languagesFrançaisDeutschItalianoBulgarianIcelandicvia Wikidata sitelinks · CC0ConnectionsSwitzerlandCountryLiechtensteinCountryEuropean UnionCategoriesIntellectual property lawPatent law of the European Union