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    { "id" : "http://dbpedia.org/resource/Skroback_Roadable_Airplane"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Skroback Roadable Airplane was an early attempt to produce a roadable airplane. To keep the aircraft within a reasonable width for driving with fixed wings, the inventor used many wing surfaces along the length of the vehicle." ] ,
        "http://dbpedia.org/ontology/origin" : [ "http://dbpedia.org/resource/United_States" ] ,
        "http://dbpedia.org/ontology/productionEndYear" : [ "0001Z" ] ,
        "http://dbpedia.org/ontology/productionStartYear" : [ "0001Z" ] ,
        "http://dbpedia.org/ontology/type" : [ "http://dbpedia.org/resource/Roadable_aircraft"] } } }
