A spring device for the winding and unwinding of a fabric wound around a supporting cylinder
A Standard patent application filed on 20 March 1996 credited to Silvestri, Nicola
Details
Application number :
51189
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
A spring device for the winding and unwinding of a fabric wound around a supporting cylinder