[ MEMBRANES MADE OF SYNTHETIC OR REGENERATED POLYMERS IN THE FORM OF HOLLOW FIBERS, TUBING, PIPING AND FILM FOR SEPARATION PROCESSES, AND MODULES EQUIPPED WITH THE AFORESAID MEMBRANES FOR SCIENTIFIC LABORATORY PURPOSES, NAMELY FILTRATION MODULES, MODULES FOR OSMOSIS AND REVERSE OSMOSIS, STERILIZERS, ULTRAFILTRATION MODULES ]