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