remove classes and properties copied from core

  rdfs:label "has plant date"@en .

###  https://saref.etsi.org/core/hasDescription

saref:hasDescription rdf:type owl:DatatypeProperty ;

  rdfs:range xsd:string ;

  rdfs:comment "A relationship providing a description of an entity (e.g., device)"@en ;

  rdfs:isDefinedBy <https://saref.etsi.org/core/> ;

  rdfs:label "has description"@en .

###  https://saref.etsi.org/core/hasManufacturer

saref:hasManufacturer rdf:type owl:DatatypeProperty ;

  rdfs:range xsd:string ;

  rdfs:comment "A relationship identifying the manufacturer of an entity (e.g., device)"@en ;

  rdfs:isDefinedBy <https://saref.etsi.org/core/> ;

  rdfs:label "has manufacturer"@en .

###  https://saref.etsi.org/core/hasModel

saref:hasModel rdf:type owl:DatatypeProperty ;

  rdfs:range xsd:string ;

  rdfs:comment "A relationship identifying the model of an entity (e.g., device)"@en ;

  rdfs:isDefinedBy <https://saref.etsi.org/core/> ;

  rdfs:label "has model"@en .

###  https://saref.etsi.org/core/hasTimestamp

saref:hasTimestamp rdf:type owl:DatatypeProperty ;

  rdfs:isDefinedBy <https://saref.etsi.org/core/> ;

  rdfs:label "has timestamp"@en .

###  https://saref.etsi.org/core/hasValue

saref:hasValue rdf:type owl:DatatypeProperty ;

  rdfs:isDefinedBy <https://saref.etsi.org/core/> ;

  rdfs:label "has value"@en .

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#    Classes

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