Method for selectively forming at least one region of {HEAD ~ a sheet metal layer} made from {TAIL ~ a sheet} of spring steel, and a device for carrying out this method 
made from
Method for selectively forming at least one region of { HEAD ~ a sheet metal layer } made from { TAIL ~ a sheet } of spring steel , and a device for carrying out this method
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH