ZS-B

Class [007]
Screw machines, in particular for dosing, transporting, degassing and compressing bulk materials; screw conveyors; suction devices for screw machines, in particular for degassing and compressing of bulk materials; machine parts especially adapted for the aforementioned goods, in particular screw shafts for screw machines, housings for screw machines, distribution gears for screw machines, shaft couplings, electric motors for machines, electric pumps for extraction of gases and for degassing and compressing bulk materials, vacuum pumps, air filters for screw machines, and air filters for separating bulk materials from air, namely, air filters for extraction of gases and for degassing and compressing bulk materials.