900911 Electrostatic photocopying apparatus Operating by reproducing the original image directly onto the copy (direct process)
900912 Electrostatic photocopying apparatus Operating by reproducing the original image via an intermediate onto the copy (indirect process)
900921 Photo-copying Apparatus Incorporating an optical system
900922 Photo-copying Apparatus Of the contact type
900930 Thermocopying apparatus
900990 Parts and accessories (Photocopying Apparatus & Thermocopying Apparatus)
