| 摘要 |
PURPOSE:To eliminate the oxygen deficiency in a room by providing an oxygen inhalator having a blowoff part and providing the first oxygen supply pipe communicating with an air duct and the second oxygen supply pipe communicating with the oxygen inhalator to an oxygen supply passage. CONSTITUTION:Oxygen is supplied to an air duct 2 and an oxygen inhalator 9 from an oxygen supply apparatus 6 through the first and second oxygen supply pipes 72, 73. Therefore, air to which oxygen is added through the air duct 2 is supplied to a room to eliminate the oxygen deficiency in the room. |
