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