| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus housing rack which can be efficiently ventilated from its door face or the rear face, and efficiently introduce cooled air therein. SOLUTION: A punching board 5 is fitted in the inside of a frame 4 of a door 3. The punching board 5 is folded like a wave so that a ridge-folded part 5a and a bottom-folded part 5b is vertical with respect to the floor surface, and a stainless sheet (punching metal) is used for the punching board 5. As the material for the punching board 5, stainless sheet (punching metal) is used, and the numerical aperture is selected according to the calorific value of an apparatus to be housed. COPYRIGHT: (C)2007,JPO&INPIT
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