<https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept3237/>
        a       <https://www.w3.org/ns/ldt/document-hierarchy#Item>;
        <http://purl.org/dc/terms/created>
                "2026-06-17T07:30:45.75Z"^^<http://www.w3.org/2001/XMLSchema#dateTime>;
        <http://purl.org/dc/terms/creator>
                <https://admin.linkeddatahub.com/acl/agents/0ab4a0f7-1ab0-4d0c-8efc-63a79a2e9a10/#this>;
        <http://purl.org/dc/terms/title>
                "Optical instruments"@en;
        <http://rdfs.org/sioc/ns#has_container>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/>;
        <http://www.w3.org/ns/auth/acl#owner>
                <https://admin.linkeddatahub.com/acl/agents/0ab4a0f7-1ab0-4d0c-8efc-63a79a2e9a10/#this>;
        <http://xmlns.com/foaf/0.1/primaryTopic>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept3237/#this> .

<https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept3237/#this>
        a       <http://www.w3.org/2004/02/skos/core#Concept>;
        <http://purl.org/dc/terms/modified>
                "2019-12-19T08:59:31Z"^^<http://www.w3.org/2001/XMLSchema#dateTime>;
        <http://www.w3.org/2004/02/skos/core#altLabel>
                "مرايا"@ar , "Lentillas"@es , "Periscopio"@es , "Lenses"@en , "Lentille"@fr , "مناظير"@ar , "Catalejo"@es , "Dispositivo óptico"@es , "Miroir"@fr , "Telescopio"@es , "مقرابات"@ar , "Зеркала"@ru , "Dispositif optique"@fr , "تلسكوبات"@ar , "Mirrors"@en , "Линзы"@ru , "ادوات بصرية"@ar , "Gafas"@es , "Телескопы"@ru , "Télescope"@fr , "Anteojo"@es , "Telescopes"@en , "عدسات"@ar;
        <http://www.w3.org/2004/02/skos/core#broader>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept654/#this>;
        <http://www.w3.org/2004/02/skos/core#inScheme>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concept-schemes/unesco-thesaurus/#this>;
        <http://www.w3.org/2004/02/skos/core#prefLabel>
                "Instrumento óptico"@es , "Optical instruments"@en , "Оптические инструменты"@ru , "Instrument optique"@fr , "اجهزة بصرية"@ar;
        <http://www.w3.org/2004/02/skos/core#related>
                <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept152/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept9537/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept537/#this> , <https://unesco-thesaurus.demo.linkeddatahub.com/concepts/concept129/#this> .