Non-correcting lens blank, and method for making same
A Standard patent application filed on 03 December 1999 credited to Ravier, Alain
;
Billard, Etienne
Details
Application number :
15091
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Non-correcting lens blank, and method for making same