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    { "id" : "http://dbpedia.org/resource/Mechanical_filter"
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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "A mechanical filter is a signal processing filter usually used in place of an electronic filter at radio frequencies.  Its purpose is the same as that of a normal electronic filter: to pass a range of signal frequencies, but to block others.  The filter acts on mechanical vibrations which are the analogue of the electrical signal." ] ,
        "http://www.w3.org/2000/01/rdf-schema#seeAlso" : [ "http://dbpedia.org/resource/Radio_frequency_microelectromechanical_system" ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://en.wikipedia.org/wiki/Special:FilePath/Kokusai_mechanical_filter.jpg?width=300"] } } }
