Work in progress

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@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://qudt.org/vocab/constant/Value_SpeedOfLight_Vacuum>
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  rdfs:isDefinedBy <http://qudt.org/3.1.0/vocab/constant> ;
  rdfs:label "Value for speed of light in a vacuum" ;
.

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