VESSEL FOR PREVENTING SCATTERING OF AIR BUBBLE IN SUPPLY OF OXYGEN IN INSIDE OF WATER TANK FOR AQUARIUM FISH

摘要

PROBLEM TO BE SOLVED: To minimize pollution due to scattering of air bubbles in oxygen supply in inside of a water tank for aquarium fish and labor of its cleaning.;SOLUTION: Foam of air in oxygen supply in inside of a water tank for aquarium fish is housed in a hollow vessel 1 to limit the scattering of air bubbles in the hollow vessel.;COPYRIGHT: (C)2000,JPO