THW

machines for metalworking, woodworking, and plastics processing industries, namely, clamping chucks, [ mandrels, ] clamping chucks of metal for work pieces, gripping chucks, electrically, hydraulically or pneumatically driven translating, swiveling and lifting chucks, rotating chucks, metal clamping drill chucks for power drills, [ powered expansion chucks, powered shrinkage chucks, back stay for lathes, clamping cylinders for power clamping chucks, powered extension chucks, ] and parts thereof