https://www.vocabularyserver.com/spines/ Tesauro SPINES UNESCO, ICYT Política, desarrollo, ciencia, tecnología UNESCO, ICYT 2004-05-23 es 2004-12-24 00:00:00 maquinaria de construccion 2004-12-24 00:00:00 equipo de construccion https://www.vocabularyserver.com/spines/skos/6893https://www.vocabularyserver.com/spines/skos/3122https://www.vocabularyserver.com/spines/skos/8125https://www.vocabularyserver.com/spines/skos/8292https://www.vocabularyserver.com/spines/skos/4533https://www.vocabularyserver.com/spines/skos/9959https://www.vocabularyserver.com/spines/skos/8109https://www.vocabularyserver.com/spines/skos/6179