| 摘要 |
The coupling accessory (100) includes a longitudinal central part (110) for leaning against the internal face of two lateral longitudinal wings, juxtaposed with these base sections end to end, a longitudinal head flange (130) and snap-fitting members. The longitudinal head flange is segmented into two segments (131,132) offset laterally one w.r.t the other, with an opening, on the extreme free end, a ridge (131A,131B) adapted to snap-fit in a groove formed on the interior face of these sections of the base sections of the channel.
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