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http://def.isotc211.org/iso19111/2019/CommonClasses#
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ObjectUsage
http://def.isotc211.org/iso19111/2019/CommonClasses#ObjectUsage
skos:definition
http://www.w3.org/2004/02/skos/core#definition
usage of a CRS-related object
graph:default
https://triplydb.com/iso/19111/graphs/default