Pumps for liquids [hand-operated]; hand-operated pumps for liquids, in particular for cosmetics, household cleaning and personal hygiene purposes; hand-operated pumps for dosed food dispensing; hand-operated atomizers for industrial or commercial use; hand-operated atomizers for industrial or commercial use, in particular for cosmetic, household cleaning and personal hygiene purposes; hand-operated atomizers for dosed dispensing of food; hand-operated insecticide sprayers; hand pumps; hand pu...