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AUTOMATIC EXHAUST PORT OPENING AND CLOSING DEVICE OF AN AIR CONDITIONER FOR SECURING SMOOTH CONVECTION CURRENT OF THE AIR BY OPENING AND CLOSING AN EXHAUST PORT TO AN EXHAUST PORT COVER AND FORMING A FLOW GUIDE BLADE INCLINED UPWARD ON THE INSIDE OF THE COVER
AUTOMATIC EXHAUST PORT OPENING AND CLOSING DEVICE OF AN AIR CONDITIONER FOR SECURING SMOOTH CONVECTION CURRENT OF THE AIR BY OPENING AND CLOSING AN EXHAUST PORT TO AN EXHAUST PORT COVER AND FORMING A FLOW GUIDE BLADE INCLINED UPWARD ON THE INSIDE OF THE COVER