.. _exhale_define__ifc2x3-definitions_8h_1a058f7382fd6b027164fb9cd7ebbbc0a5:

Define SCHEMA_IfcProductsOfCombustionProperties_N20Content_IS_OPTIONAL
======================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcProductsOfCombustionProperties_N20Content_IS_OPTIONAL