design: change reference part

[braunfish]

is it possible in a design to reassign to a different part the reference?
I have 50 similar pieces in folded sheet, and I would like to hold the view layout and quotas of a drawing for all the other 49 pieces.
Thank you.

 

[SolidUser]

file->open and click as from attached image.
use the help later with the f1.