Letterpress printing apparatus specially adapted for office or other commercial purposes with flat printing surfaces, e.g. with flat type-beds, surfaces made of thin sheet material or moulded from plastics or rubber of composed type locked in chases
Letterpress printing apparatus specially adapted for office or other commercial purposes with flat printing surfaces, e.g. with flat type-beds, surfaces made of thin sheet material or moulded from plastics or rubber of composed type locked in chases