846011 Flat-surface Grinding Machines, Numerically Controlled
846019 Other Flat-surface Grinding Machines, Accuracy of At Least 0.01mm
846021 Other Grinding Machines, Numerically Controlled
846029 Other Grinding Machines, Accuracy of At Least 0.01mm
846031 Sharpening (Tool or Cutter Grinding) Machines, Numerically Controlled846039 Other Sharpening (Tool or Cutter Grinding) Machines
846040 Honing or Lapping Machines
846090 Deburring, Polishing or Otherwise Finishing Machines
