| 摘要 |
A housing body contains the fuse body therein. The fuse body is formed with an opening and a retaining projection arranged in the vicinity of the opening. A cover body is formed with a locking piece adapted to engage with the retaining projection so that the cover body closes the opening. A rigidity-reduced portion is formed in the cover body, so that the cover body can be flexed substantially without flexing the locking piece, at least when the locking piece engages with the retaining projection.
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