1. 
   DXF
   Drawing Exchange Format
   Found op http://foldoc.org/DXF
   
   
2. 
   DXF
   Drawing Exchange File. A computer graphics file format, for drawings created by Autodesk.
   Found op http://www.zoo.co.uk/~z0001325/Glossary.html
   
   
3. 
   DXF
   Data Exchange File + Drawing Exchange Format
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   DXF
   AutoCAD`s Drawing eXchange Format (proprietary, though open, de facto standard).
   Found op http://www.isomatic.co.uk/WBGlossary.htm
   
   
5. 
   DXF
   AutoCAD format for line art.
   Found op http://www.encyclo.co.uk/local/20829
   
   
6. 
   DXF
   Drawing 'X'change Format. A Vector format used to exchange data between CAD applications. A method of exchanging 2D drawings between any 2D CAD systems.
   Found op http://www.encyclo.co.uk/local/20846
   
   
7. 
   dxf
   A file extension for an 'Autodesk' Drawing Interchange Format. A file format for interchanging 3d images between different programs.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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