IfcRelSpaceBoundary_1069618IfcRelSpaceBoundary_1070110IfcRelSpaceBoundary_1070138IfcRelSpaceBoundary_1071120IfcRelSpaceBoundary_1071148IfcRelSpaceBoundary_1071178IfcRelSpaceBoundary_1071206IfcRelSpaceBoundary_1071234IfcRelSpaceBoundary_1071262IfcRelSpaceBoundary_1071290IfcRelSpaceBoundary_1071320IfcRelSpaceBoundary_1071348IfcRelSpaceBoundary_1071376IfcRelSpaceBoundary_1071412IfcRelSpaceBoundary_1075587