Screening apparatus, screening devices, screening machines and screening installations, all the aforementioned goods for separating of solids from liquids, in particular from water and waste water and especially in the form of screw screens and screening drums; apparatus, devices, machines and installations for the separation and conveyance of solids, in particular screenings, sieved material or waste; apparatus, devices, machines and installations for cleaning of solids, in particular screen...

anti diarrheal pharmaceutical preparations