Flat material with break-off line and method, device and punching element for producing same
A Standard patent application filed on 18 June 1998 credited to Fischer, Jules
Details
Application number :
77551
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Flat material with break-off line and method, device and punching element for producing same