Variable magnification copying machine
Variable magnification copying optical system
Variable magnification device
Variable magnification electrophotographic copying apparatus
Variable magnification electrophotographic copying apparatus
Variable magnification electrostatic copying apparatus
Variable magnification electrostatic copying machine
Variable magnification image formation apparatus
Variable magnification image forming apparatus
Variable magnification image forming apparatus
Variable magnification image projector
Variable magnification imaging device for copier
Variable magnification optical apparatus
Variable magnification optical apparatus
Variable magnification optical mechanism
Variable magnification optical system for use in electrophotogra
Variable magnification optics for an image forming apparatus
Variable magnification projecting device
Variable magnification reproducing apparatus
Variable magnification slide copy camera