| 摘要 |
The fastener comprises a first part having a stem and a head attached to one end of the stem, and a second part having two elastic feet and a plate from which the elastic feet project transversely, the stem being adapted to slide in an opening formed in the plate, the fastener being adapted to assume a waiting position in which the first part is held in the second part by means of the stem passing through the opening and clamping said plate between a stop surface and a tooth; a locking position; and an unlocking position.
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