Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking (supervision), life-saving and teaching apparatus and instruments; laboratory apparatus for the treatment and processing of samples, in particular liquid samples, namely apparatus for dosing, decanting, mixing, tempering, concentrating, homogenising and filtering of substances and reagents; laboratory apparatus, especially disposable laboratory articles, cuvettes, pipettes, pipette tips, test tubes, storage tubes; microtiter plate; laboratory systems (workstations) containing computer controlled laboratory robots, laboratory mixers for automatic treatment and handling of samples, in particular liquid samples and reagents; computer hardware; computer software, in particular for the control and operation of laboratory robots and laboratory mixers for automatic treatment and processing of samples, in particular liquid samples and reagents; and parts and fittings for all the aforesaid goods, as far as these goods are included in this class.