Machines and apparatus for the plastics industry and for process engineering, in particular machines and apparatus for treatment and processing of plastics, and laboratory and pilot installations for plastics treatment and processing; rolling mills, in particular testing rolling mills, measuring rolling mills, and rubber rolling mills; calender machines, in particular sheeting calenders, dual-roller calenders, laminating calenders, moulding calenders for trays and polishing calenders; squeezer machines for plastic processing, in particular plate presses, test presses, vacuum presses and high-temperature presses; kneaders in the nature of kneading machines for industrial purposes, extrusion presses for plastic and extrusion machine installations, in particular two-roll kneading machines, twin-screw extruders, test extruders, measuring extruders, and rubber extruders for industrial purposes; pelletizer machines, in particular strand pelletisers and die-face pelletisers; pipe extrusion machine installations, co-extrusion machine installations, cast-film machine installations, extrusion coating machine installations and blown film machine installations; stretch machine installations for plastic film stretching; machines for production of extrudates for medical purposes; machines for manufacturing of medical compounds, moulding calenders, catheter tubes and infusion bags

Testing installations, in particular installations for testing the purity of polymer melt; rheometers for measuring filled or unfilled polymer melt, and installations for the optical testing of plastic products, in particular plastic foils; all the aforesaid goods other than test installations for testing semi-conductors, semi-conductor switches and integrated switches and micro-controllers

Development of machines and apparatus for the plastics industry and for process engineering, in particular machines and apparatus for treatment and processing of plastics, and laboratory and pilot installations for plastics treatment and processing; development of rolling mills, in particular testing rolling mills, measuring rolling mills, and rubber rolling mills; development of calenders, in particular sheeting calenders, dual-roller calenders, laminating calenders, moulding calenders for trays and polishing calenders; development of presses, in particular plate presses, test presses, vacuum presses and high-temperature presses; development of kneaders, extruders and extrusion installations, in particular two-roll kneading machines, twin-screw extruders, test extruders, measuring extruders, rubber extruders, pelletisers, in particular strand pelletisers and die-face pelletisers, pipe extrusion installations, co-extrusion installations, cast-film installations, extrusion coating installations and blown film installations; development of stretching installations; development of testing installations, in particular installations for testing the purity of polymer melt, rheometers and installations for the optical testing of plastic products, in particular plastic foils; development of machines for production of extrudates for medical purposes; development of machines for manufacture of medical compounds, moulding calenders, catheter tubes and infusion bags