Multiplexed electrostatic copier having plural scan stations and
Multiplexed electrostatic copier having plural scan stations and
Multiplexed electrostatic copier having plural scan stations and
Night vision pocketscope
Night vision scope
Numerical stereo compiler or the like
Objective lens for a microscope
Objective lens for a microscope
Objective lens for a microscope
Office copier processing cartridge
Opaque reader
Ophthalmic spectacles
Ophthalmic spectacles
Optical coupler for a microscope or similar article
Optical viewfinder
Optical viewing apparatus with two mirrors consecutively reflect
Original feeder for copying machine
Original feeder for copying machine
Original feeder for copying machine
Original feeder for electronic copying machine