| 摘要 |
Device which consists of two sheets 1 and 2 produced from a conducting and flexible material and connected initially by a strip 3 on the same side, which sheets are provided with an upper central projection 11 and with a groove 12, in such a manner that, by means of a slight pressure, they can be coupled and uncoupled mechanically and electrically, introducing or extracting the projection 11 of one of the pieces in the groove 12 of the facing piece. <IMAGE>
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