relatedBuildingElement_IfcRelFillsElement
relatedBuildingElement_IfcRelSpaceBoundary
relatedElements_IfcRelContainedInSpatialStructure
relatedObjects_IfcRelAssociates
IfcRelDefinesByProperties_270924IfcRelDefinesByProperties_270935IfcRelDefinesByProperties_270941IfcRelDefinesByProperties_270947IfcRelDefinesByProperties_270954IfcRelDefinesByProperties_270992IfcRelDefinesByProperties_271514IfcRelDefinesByProperties_271520IfcRelDefinesByProperties_271530IfcRelDefinesByProperties_271565IfcRelDefinesByProperties_271826IfcRelDefinesByType_271837