From the The Building Coder website:
Håvard Dagsvik of Symetri implemented code to automatically generate a dictionary mapping the Revit DisplayUnitType to corresponding UnitSymbolType display strings.[…]
In Håvard’s own words:
I’ve been looking at extracting a complete list of unit abbreviations for each ParameterType and their DisplayUnitTypes. In total, roughly 210, I think.
I looked at what was around on your blog and elsewhere. Your manually generated list of unit…