| Name | ID | Description | Type | 
|---|---|---|---|
| IfcElement (Extrusion Basis) | E | IfcElement (Basis of extrusion) | Geometry | 
| Surface Member Parameters | P | Surface Member Parameters | Generic Data | 
| Name | ID | Description | Type | 
|---|---|---|---|
| fcStructureSurfaceMember | M | IfcStructureSurfaceMember | Geometry | 
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