This invention relates to a plate thickness detection method and a plate thickness detection apparatus for a press which presses {HEAD ~ a workpiece} by {TAIL ~ the cooperation} of a punch and a die 
by
This invention relates to a plate thickness detection method and a plate thickness detection apparatus for a press which presses { HEAD ~ a workpiece } by { TAIL ~ the cooperation } of a punch and a die
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH