| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a circuit board storage box, which facilitates work during maintenance, and a heat exchange ventilator.SOLUTION: A circuit board storage box includes: a fixed side surface plate 18 attached to a casing 2; a rotary side surface plate 19 rotatably attached to the fixed side surface plate 18; a first circuit board 3 attached to the rotary side surface plate 19; a second circuit board 7 provided between the casing 2 and the first circuit board 3; and a body 1a which covers at least parts of the first circuit board 3 and the second circuit board 7.</p> |
