This invention relates to {TAIL ~ apparatus} for machining workpieces to a predetermined contour in {HEAD ~ accordance} with a reference pattern 
This invention relates to { TAIL ~ apparatus } for machining workpieces to a predetermined contour in { HEAD ~ accordance } with a reference pattern
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH