71283 ⎘
Equipment for dwelling or working underwater; Means for searching for underwater objects; Divers' equipment; Air supply Artificial gills
ARTIFICIAL GILL
#2APPARATUS AND METHOD FOR SELF CONTAINED BREATHING
#3Perpetual Aquatic Rebreather
#4WEARABLE ARTIFICIAL GILL
#5Water survival mask
#6Artificial gills for deep diving without incurring the bends and for scavenging Ofrom and dispelling COinto water or thin air