| 摘要 |
1. Instrument with a key, characterized in that it has a sleeve (6) with a labyrinth (6'), the sleeve being fastened to a door (7) by screws (15 and 12) and springs (14) and containing a sleeve (4) with a tool (11) and the casing (9) of the tool mounted in it, where this sleeve is slid and/or rotated (along and/or about their common axis) using a key, which enters the sleeve coaxially and contains a casing (2) in which is placed a screwdriver with a grip (1) and a taper (1) (separating balls (3) which are contained in the neck (4') of the sleeve (4) and connect parts (2) and (4)) and with a fin (1) (entering a groove (9') in the casing (9), preferably not along its diameter).<IMAGE>
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