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    { "id" : "http://dbpedia.org/resource/Martin_P4M_Mercator"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Martin P4M Mercator was a maritime reconnaissance aircraft built by the Glenn L. Martin Company. The Mercator was an unsuccessful contender for a United States Navy requirement for a long-range maritime patrol bomber, with the Lockheed P2V Neptune chosen instead. It saw a limited life as a long-range electronic reconnaissance aircraft. Its most unusual feature was that it was powered by a combination of piston engines and turbojets, the latter being in the rear of the engine nacelles." ] ,
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        "http://dbpedia.org/ontology/manufacturer" : [ "http://dbpedia.org/resource/Glenn_L._Martin_Company" ] ,
        "http://dbpedia.org/ontology/numberBuilt" : [ 21 ] ,
        "http://dbpedia.org/ontology/origin" : [ "http://dbpedia.org/resource/United_States" ] ,
        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Martin_P4M_Mercator.jpg?width=300"] } } }
