A variable binding device or sheet holder of the type with rings for a file for documents with perforated sheets
A Standard patent application filed on 13 November 1995 credited to Boccacci, Roberto
Details
Application number :
39924
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
A variable binding device or sheet holder of the type with rings for a file for documents with perforated sheets