IFC2X_FINAL IFC2X2_FINAL IFC2X3_Final IFC2X3G_ALPHA IFC2X3_TC1 IFC_BRIDGE2X3 IFC2X3_TC1_PARAMETRIC IFC2X3GE IFC2X4_ALPHA IFC2X4_BETA1 IFC2X4_BETA2 IFC2X4_BETA3 IFC2X4_RC1 IFC2X4_RC2 IFC2X4_RC3 IFC4RC4 IFC2X4_COBIE2012 IFC_BRIDGE2X3_EXT IFC_ALIGNMENTEXTENSION IFC2X3_CV_V2_0 IFC4 IFC4_ADD1 IFC4_ADD2 IFC4X1_FHWA IFC20_LONGFORM IFC4X3_ADD2 IFC4X3_DEV_0078979
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