DUOVIAL

CLOSED TRANSFER SYSTEM COMPRISED OF A BOTTLE FOR STORAGE OF MEDICINAL OR CHEMICAL SUBSTANCES IN A LIQUID OR POWDER STATE, OR IN FORM OF IVOLPHILISATES, AND PROVIDED WITH MEANS OF STOPPERING AND/OR A DEVICE FOR TRANSFERRING THE SUBSTANCES CONTAINED IN THE BOTTLE OR EXTERIOR LIQUID SUBSTANCES TO THE EXTERIOR OR TO THE INTERIOR OF THE BOTTLE