.. _exhale_define__ifc2x3-definitions_8h_1a37568e5a5a7a09d72d12d9228660acfa:

Define SCHEMA_IfcMechanicalSteelMaterialProperties_YieldStress_IS_OPTIONAL
==========================================================================

- Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h`


Define Documentation
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.. doxygendefine:: SCHEMA_IfcMechanicalSteelMaterialProperties_YieldStress_IS_OPTIONAL