| 摘要 |
PURPOSE: A leakage of high frequency wave by loose closing of a door is prevented, and outer appearance of the door is not deteriorated by sagging of the door. CONSTITUTION: A protrusion(1) having inclinations(1A,1B) in front side and lower side are formed in a side of a control panel(10) neighboring a door(20). A rectangular groove(11) is formed in one side of the door to receive the protrusion. Thereby, sagging of the door is prevented.
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