@prefix foaf:	<http://xmlns.com/foaf/0.1/> .
@prefix wikipedia-en:	<http://en.wikipedia.org/wiki/> .
@prefix dbr:	<http://dbpedia.org/resource/> .
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@prefix dbo:	<http://dbpedia.org/ontology/> .
<http://dbpedia.org/resource/Warren_P._Mason>	dbo:wikiPageWikiLink	dbr:Frequency_standard .
dbr:Rugby_Radio_Station	dbo:wikiPageWikiLink	dbr:Frequency_standard .
dbr:Rubidium_standard	dbo:wikiPageWikiLink	dbr:Frequency_standard .
dbr:Pulse-per-second_signal	dbo:wikiPageWikiLink	dbr:Frequency_standard .
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dbr:Frequency_standard	owl:sameAs	dbpedia-eo:Normalfrekvenco .
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dbr:Frequency_standard	owl:sameAs	yago-res:Frequency_standard ,
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	dbo:description	"stable oscillator used for frequency calibration or reference"@en .
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dbr:Walter_Guyton_Cady	dbo:wikiPageWikiLink	dbr:Frequency_standard .
dbr:Melpar	dbo:wikiPageWikiLink	dbr:Frequency_standard .
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dbr:Piezoelectricity	dbo:wikiPageWikiLink	dbr:Frequency_standard .
dbr:Stanford_Research_Systems	dbo:product	dbr:Frequency_standard ;
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dbr:Time_standard	dbo:wikiPageWikiLink	dbr:Frequency_standard .
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dbr:Gravity_Probe_A	dbo:wikiPageWikiLink	dbr:Frequency_standard .