
IfcObjectReferenceSelect
         
	 Definition from IAI: A select type, that holds a list of resource
		level entities that can be used as properties within a property set. 
 
	 HISTORY: New select type in IFC
		Release 2.0.
EXPRESS specification:
        
          
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                  | TYPE IfcObjectReferenceSelect = SELECT
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                        IfcMaterial, IfcPerson, IfcDateAndTime, IfcMaterialList, IfcOrganization, IfcCalendarDate, IfcLocalTime, IfcPersonAndOrganization, IfcMaterialLayer, IfcExternalReference, IfcTimeSeries, IfcAddress, IfcAppliedValue);
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