poligono a nove lati

https://w3id.org/arco/resource/PlanLayout/0800308757-bene-individuo-poligono-a-nove-lati <https://w3id.org/arco/ontology/construction-description/PlanLayout>

poligono a nove lati 
poligono a nove lati 
<https://w3id.org/arco/ontology/construction-description/PlanLayout>
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