LingoLessons for Windows

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- Autodesk, AutoCAD, DWG, DXF are either registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries.
- DWG is the native file format for Autodesk’s AutoCAD software and is a trademark of Autodesk, Inc.
- LD Assistant is a registered trademark of Chicago Stage Equipment Co. Inc., DBA Design & Drafting.