A node in the cooperative classification scheme.
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CPC classification
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The class of CPC guidance headings.
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Guidance heading
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The class of node in the cooperative patent classification scheme.
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Node
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The property :level states the level of a node in the cooperative classification scheme.
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level
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The property :titleXML relates ...... e in a particular normal form.
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title XML
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An ontology for CPC.
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cpc Ontology
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