Update - Mining through the forum, I’m seeing another very similar post, but I’ don’t know how to link to it herein, but the title was “Importing from CorelDraw”, also with a "line width corrected to a single line issue. I’m going to try some of the maneuvers suggested there, but it sure would be great to find out what his final solution wound up being.
Importing file from CorelDRAW
Edit: Oh wow, looks like my linking attempt worked after all in here!