Not sure about what this means, but it looks like someone's copied the DW design ...
 
http://cgi.ebay.com/custom-4-string-bass-not-alembic-or-warwick_W0QQitemZ7403779347QQcategoryZ4713QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

That's nog a copy, here's the original design.

 
Manfred