ESPELKAMP, GERMANY—  Muller Martini is expanding its perfect binding and book production with the acquisition of German DGR Graphics. DGR’s product range includes three-knife-trimmers, casing-in machines, building-in machines, a fully-automatic book line, and a label gluing machine. It focuses on equipment with short setup times for short-runs or individual items. The firm also makes a variety of special products including devices that work with Muller Martini gathering machines. All assets from the new machine business with print finishing machines will be transferred to Muller Martini. They will also take over DGR's spare parts business. An unspecified number of employees will also be transfer.