74206302
Sep 23, 1991
Jul 12, 1994
machines for shaping, separating, connecting (soldering, welding), cutting, removing, and coating, and for surface treatment of metals and plastics materials by means of laser beams
Machineryapparatus for generating laser beams; namely, laser oscillators and laser heads, active beam guidance apparatus, optical mirrors, and digital control instruments therefor
Electrical and Scientific Apparatus