2.0 http://www.w3.org/2005/Atom High Code APIs & Free Apps for AutoCAD File Automation – Convert Dgn to DXF via C#https://products.aspose.com/cad/net/conversion/Dgn-to-dxf/Recent content in Convert......AutoCAD File Automation – Convert DGN to DXF via C#https://products...com/cad/net/conversion/dgn-to-dxf/Recent content in Convert DGN to DXF via...