BRepToIGES_BREntity.cxx BRepToIGES_BREntity.hxx BRepToIGES_BRShell.cxx BRepToIGES_BRShell.hxx BRepToIGES_BRSolid.cxx BRepToIGES_BRSolid.hxx BRepToIGES_BRWire.cxx BRepToIGES_BRWire.hxx