IfcRelSpaceBoundary_1069403IfcRelSpaceBoundary_1069676IfcRelSpaceBoundary_1070300IfcRelSpaceBoundary_1071849IfcRelSpaceBoundary_1072912IfcRelSpaceBoundary_1073118IfcRelSpaceBoundary_1074728IfcRelSpaceBoundary_1075028IfcRelSpaceBoundary_1075273IfcRelSpaceBoundary_1075559IfcRelSpaceBoundary_1075756IfcRelSpaceBoundary_1076017IfcRelSpaceBoundary_1076248IfcRelSpaceBoundary_1076446IfcRelSpaceBoundary_1076876IfcRelSpaceBoundary_1078049IfcRelSpaceBoundary_1078427IfcRelSpaceBoundary_1080144IfcRelSpaceBoundary_1080815