| 摘要 |
PURPOSE: A case structure is provided to enable a user to freely replace an aromatic agent pack without replacement of a case. CONSTITUTION: A case structure comprises a plate(10) which is formed with a combining hole with a funnel shape in the center, an aromatic agent pack(20) which is formed with a penetration hole in the center and is formed with a combining protrusion in the outer periphery, a combining ring(30) which is formed with a combining groove in the inner circumference, a support stand which is formed with a groove having screw thread and is combined with a detachable rod, and an elastic supporter(50) which is detachably combined with the detachable rod.
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