Oscillator apparatus for imparting axial oscillations to a...
Oscillator roller for printing presses
Oscillator screen cleaning apparatus
Oscillatory band and hammer dot matrix printer
Overcoat for dye image-receiving layer used in thermal dye...
Overlapping overstrikeable ribbon and use thereof in...
Overlappingly overstrikable ribbon for matrix printing...
Overvarnish unit for continuous motion decorating apparatus