construction equipment, in particular for specialized civil engineering and for tunnel construction; mixing machines and mixing installations, in particular continuous mixers and batch mixers; stationary and mobile mixing installations for preparing building materials, in particular suspension, cement, concrete, mortar and soil material; agitators and stirrers, in particular for mixing installations and stirring machines and agitators, in particular for desanders; housings (parts of machines) for mixing installations and machine housings for desanders; pumps [machines], in particular centrifugal pumps, progressing cavity pumps, hose pumps, high-pressure piston pumps and high-pressure plunger pumps for building materials; injection installations for specialized civil engineering, in particular for drilling fluid, cavity filling and high-pressure injection; machines and installations composed thereof for preparing building materials, in particular cement, flushing liquids, supporting suspensions and flocculants; roll-up and winding devices for building and construction materials; hydraulic power systems, hydraulic pressure generators, hydraulic units; process engineering machines and installations, in particular for solid-liquid separation; filtering installations, decanters, not for compressors or air dryers; centrifuges; filter presses

building material scales, dispensing apparatus for building materials, measuring apparatus and regulating apparatus for construction equipment.