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