IFC (IFC4X3_ADD1) development


Semantic definition

A reference number to an external contract technical specification section describing either (a) minimum performance requirements of a given IfcProductType/IfcProduct or (b) a preselection for a specific IfcProductType/IfcProduct made for this project.

Referenced in
Table fbf1717f-054d-40b2-9596-a4277b2a02b3

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