Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for for printing from selected parts of one or more printing surfaces in one cycle, e.g. line printing with co-operating forme and impression cylinders by projecting and retracting parts of the surfaces of the forme cylinders
Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for for printing from selected parts of one or more printing surfaces in one cycle, e.g. line printing with co-operating forme and impression cylinders by projecting and retracting parts of the surfaces of the forme cylinders