System for regional etching of holographic microetchings, diffraction gratings, kinograms, pixelgrams or other optical elements on sheets
A Standard patent application filed on 11 August 1997 credited to Orlandi, Raul Maria
Details
Application number :
40146
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
System for regional etching of holographic microetchings, diffraction gratings, kinograms, pixelgrams or other optical elements on sheets