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