.. _exhale_define__ifc2x3-definitions_8h_1a501c74050cf9dc21ad3d92cd4bda6bf2:

Define SCHEMA_IfcMechanicalMaterialProperties_PoissonRatio_IS_OPTIONAL
======================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcMechanicalMaterialProperties_PoissonRatio_IS_OPTIONAL