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Industry Foundation Classes IFC2x Edition 4 alpha version
This document is
owned and copyrighted by buildingSMART
International Limited By using the IFC2x4 alpha version specification you agree to the following copyright notice
The specification
has been developed in 1999-2008 by the Model
Support Group (MSG) of
buildingSMART. |
Comments, issues or any other feedback should be sent to:
Thomas Liebich - IAI Model Support Group Leader