{ "items" : [
    { "id" : "http://dbpedia.org/resource/Martin_B-10"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Martin B-10 was the first all-metal monoplane bomber to be regularly used by the United States Army Air Corps, entering service in June 1934.  It was also the first mass-produced bomber whose performance was superior to that of the Army's pursuit aircraft of the time.The B-10 served as the airframe for the B-12, B-13, B-14, A-15 and O-45 designations using Pratt & Whitney engines instead of Wright Cyclones.A total of 348 of all versions were built." ] ,
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        "http://dbpedia.org/ontology/designer" : [ "http://dbpedia.org/resource/Peyton_M._Magruder" ] ,
        "http://dbpedia.org/ontology/manufacturer" : [ "http://dbpedia.org/resource/Glenn_L._Martin_Company" ] ,
        "http://dbpedia.org/ontology/numberBuilt" : [ 121,
          82,
          32,
          348 ] ,
        "http://dbpedia.org/ontology/productionEndYear" : [ "1940Z" ] ,
        "http://dbpedia.org/ontology/productionStartYear" : [ "1933Z" ] ,
        "http://dbpedia.org/ontology/successor" : [ "http://dbpedia.org/resource/Martin_146" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Martin_B-10_Variant.jpg?width=300" ] ,
        "http://dbpedia.org/ontology/type" : [ "http://dbpedia.org/resource/Bomber" ] ,
        "http://dbpedia.org/ontology/unitCost" : [ "52083.0"] } } }
