Physico-chemical, biochemical, optical and electronic analysis apparatus and equipment, in particular photometers, flame photometers, analysers using ion-sensitive operation technology; laboratory apparatus and equipment for the dosage dispensing, transferring, temperature equalization, agitating, mixing, diluting, concentrating and separating of liquids, in particular sample reagent dosage dispensers, mechanical, electronic and automatic pipettes, dispensers, bottle dispensers, auxiliary pip...