| 摘要 |
Device for destoppering and stoppering bottles of which the neck includes a screw thread and which are closed by a protective cap, characterised in that it consists of a body (1) having two threaded blind holes (2, 3) with different diameters, and two frustoconical blind holes (6, 7), the lateral walls of which are provided with notches (9, 10) and the openings of which are slightly greater than the diameter of the threaded blind holes (2 and 3). <IMAGE>
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