| 摘要 |
- Protective casings and boxes. - The casing is characterised in that: . the box includes, externally, a surround (8) extending at a distance from the peripheral wall (6) of the said box, . the cover has a turned-down peripheral edge (11) able to interact with overlapping with the surround to delimit, with it and with respect to the peripheral wall, an annular isolation chamber, - The linking means (14) are provided so as to extend into the chamber. - Application to protective casings for electrical appliances. <IMAGE>
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