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