[Rhino Materials] Transparency map is replaced after imported from Rhino into UE4

1. Unzip attached rhino file
2. Click on File > New Level
3. Click on the Import CAD option to import the Rhino file into UE4

Expected result:
The 2D and 3D checker textures (procedural maps), imported from Rhino to UE4, are assigned to the Transparency texture parameter.

Actual result:
The Transparency texture parameter takes the UE4 DefaultDiffuse map

By opening the Texture folder in the Content browser, you can find the 2D and 3D checker procedural maps